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Products by Zoom Sorted by Most Security Vulnerabilities since 2018

Zoom Meetings27 vulnerabilities

Zoom15 vulnerabilities

Zoom Rooms15 vulnerabilities

Zoom Meeting Connector6 vulnerabilities

Zoom Windows Video Sdk3 vulnerabilities

Zoom Android Meeting Sdk3 vulnerabilities

Zoom Vdi Citrix3 vulnerabilities

Zoom Vdi Vmware3 vulnerabilities

Zoom Windows Meeting Sdk3 vulnerabilities

Zoom Macos Video Sdk3 vulnerabilities

Zoom Android Video Sdk3 vulnerabilities

Zoom Hybrid Mmr3 vulnerabilities

Zoom Hybrid Zproxy3 vulnerabilities

Zoom Iphone Os Meeting Sdk3 vulnerabilities

Zoom Iphone Os Video Sdk3 vulnerabilities

Zoom Macos Meeting Sdk3 vulnerabilities

Zoom Meetings For Chrome Os3 vulnerabilities

Zoom Virtual Room Connector2 vulnerabilities

Zoom Client For Meetings2 vulnerabilities

Zoom Recording Connector2 vulnerabilities

Zoom Screen Sharing1 vulnerability

Zoom It Installer1 vulnerability

Zoom Call Recording1 vulnerability

By the Year

In 2023 there have been 12 vulnerabilities in Zoom with an average score of 7.6 out of ten. Last year Zoom had 28 security vulnerabilities published. At the current rates, it appears that the number of vulnerabilities last year and this year may equal out. However, the average CVE base score of the vulnerabilities in 2023 is greater by 0.30.

Year Vulnerabilities Average Score
2023 12 7.64
2022 28 7.34
2021 19 7.64
2020 8 7.54
2019 3 7.27
2018 1 9.80

It may take a day or so for new Zoom vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Zoom Security Vulnerabilities

Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation vulnerability

CVE-2023-28596 7.8 - High - March 27, 2023

Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to privileges to root.

DLL preloading

Zoom clients prior to 5.13.5 contain an improper trust boundary implementation vulnerability

CVE-2023-28597 7.5 - High - March 27, 2023

Zoom clients prior to 5.13.5 contain an improper trust boundary implementation vulnerability. If a victim saves a local recording to an SMB location and later opens it using a link from Zooms web portal, an attacker positioned on an adjacent network to the victim client could set up a malicious SMB server to respond to client requests, causing the client to execute attacker controlled executables. This could result in an attacker gaining access to a user's device and data, and remote code execution.

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability

CVE-2023-22881 7.5 - High - March 16, 2023

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability

CVE-2023-22882 7.5 - High - March 16, 2023

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.

Zoom for Windows clients before version 5.13.3

CVE-2023-22880 7.5 - High - March 16, 2023

Zoom for Windows clients before version 5.13.3, Zoom Rooms for Windows clients before version 5.13.5 and Zoom VDI for Windows clients before 5.13.1 contain an information disclosure vulnerability. A recent update to the Microsoft Edge WebView2 runtime used by the affected Zoom clients, transmitted text to Microsofts online Spellcheck service instead of the local Windows Spellcheck. Updating Zoom remediates this vulnerability by disabling the feature. Updating Microsoft Edge WebView2 Runtime to at least version 109.0.1481.0 and restarting Zoom remediates this vulnerability by updating Microsofts telemetry behavior.

Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnerability

CVE-2023-22883 7.8 - High - March 16, 2023

Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to the SYSTEM user.

Zoom for Android clients before version 5.13.0 contain a path traversal vulnerability

CVE-2022-36928 7.1 - High - January 09, 2023

Zoom for Android clients before version 5.13.0 contain a path traversal vulnerability. A third party app could exploit this vulnerability to read and write to the Zoom application data directory.

Directory traversal

Zoom Rooms for Windows installers before version 5.13.0 contain a local privilege escalation vulnerability

CVE-2022-36930 7.8 - High - January 09, 2023

Zoom Rooms for Windows installers before version 5.13.0 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain to escalate their privileges to the SYSTEM user.

The Zoom Rooms Installer for Windows prior to 5.12.6 contains a local privilege escalation vulnerability

CVE-2022-36929 7.8 - High - January 09, 2023

The Zoom Rooms Installer for Windows prior to 5.12.6 contains a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability during the install process to escalate their privileges to the SYSTEM user.

Zoom Rooms for macOS clients before version 5.11.3 contain a local privilege escalation vulnerability

CVE-2022-36927 7.8 - High - January 09, 2023

Zoom Rooms for macOS clients before version 5.11.3 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

Zoom Rooms for macOS clients before version 5.11.3 contain a local privilege escalation vulnerability

CVE-2022-36926 7.8 - High - January 09, 2023

Zoom Rooms for macOS clients before version 5.11.3 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

Zoom Rooms for macOS clients before version 5.11.4 contain an insecure key generation mechanism

CVE-2022-36925 7.8 - High - January 09, 2023

Zoom Rooms for macOS clients before version 5.11.4 contain an insecure key generation mechanism. The encryption key used for IPC between the Zoom Rooms daemon service and the Zoom Rooms client was generated using parameters that could be obtained by a local low-privileged application. That key can then be used to interact with the daemon service to execute privileged functions and cause a local denial of service.

Use of Hard-coded Credentials

The Zoom Client for Meetings Installer for macOS (Standard and for IT Admin) before version 5.12.6 contains a local privilege escalation vulnerability

CVE-2022-28768 7.8 - High - November 17, 2022

The Zoom Client for Meetings Installer for macOS (Standard and for IT Admin) before version 5.12.6 contains a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability during the install process to escalate their privileges to root.

Race Condition

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability

CVE-2022-28766 7.3 - High - November 17, 2022

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.

DLL preloading

The Zoom Rooms Installer for Windows prior to 5.12.6 contains a local privilege escalation vulnerability

CVE-2022-36924 7.8 - High - November 17, 2022

The Zoom Rooms Installer for Windows prior to 5.12.6 contains a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability during the install process to escalate their privileges to the SYSTEM user.

DLL preloading

The Zoom Client for Meetings (for Android

CVE-2022-28764 3.3 - Low - November 14, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.6 is susceptible to a local information exposure vulnerability. A failure to clear data from a local SQL database after a meeting ends and the usage of an insufficiently secure per-device key encrypting that database results in a local malicious user being able to obtain meeting information such as in-meeting chat for the previous meeting attended from that local user account.

Insufficient Cleanup

The Zoom Client for Meetings (for Android

CVE-2022-28763 9.6 - Critical - October 31, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL parsing vulnerability. If a malicious Zoom meeting URL is opened, the malicious link may direct the user to connect to an arbitrary network address, leading to additional attacks including session takeovers.

Open Redirect

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability

CVE-2022-28759 8.6 - High - October 14, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.

Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with 5.10.6 and prior to 5.12.0 contains a debugging port misconfiguration

CVE-2022-28762 7.8 - High - October 14, 2022

Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with 5.10.6 and prior to 5.12.0 contains a debugging port misconfiguration. When camera mode rendering context is enabled as part of the Zoom App Layers API by running certain Zoom Apps, a local debugging port is opened by the Zoom client. A local malicious user could use this debugging port to connect to and control the Zoom Apps running in the Zoom client.

Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability

CVE-2022-28761 6.5 - Medium - October 14, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability. As a result, a malicious actor in a meeting or webinar they are authorized to join could prevent participants from receiving audio and video causing meeting disruptions.

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability

CVE-2022-28760 6.5 - Medium - October 14, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability

CVE-2022-28758 8.2 - High - September 16, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.

The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.6 contains a vulnerability in the auto update process

CVE-2022-28757 7.8 - High - August 18, 2022

The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.6 contains a vulnerability in the auto update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

The Zoom Client for Meetings for MacOS (Standard and for IT Admin) before version 5.11.3 contains a vulnerability in the package signature validation during the update process

CVE-2022-28751 7.8 - High - August 17, 2022

The Zoom Client for Meetings for MacOS (Standard and for IT Admin) before version 5.11.3 contains a vulnerability in the package signature validation during the update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

Improper Verification of Cryptographic Signature

Zoom Rooms for Conference Rooms for Windows versions before 5.11.0 are susceptible to a Local Privilege Escalation vulnerability

CVE-2022-28752 7.8 - High - August 17, 2022

Zoom Rooms for Conference Rooms for Windows versions before 5.11.0 are susceptible to a Local Privilege Escalation vulnerability. A local low-privileged malicious user could exploit this vulnerability to escalate their privileges to the SYSTEM user.

The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.5 contains a vulnerability in the auto update process

CVE-2022-28756 7.8 - High - August 15, 2022

The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.5 contains a vulnerability in the auto update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

Zoom On-Premise Meeting Connector Zone Controller (ZC) before version 4.8.20220419.112 fails to properly parse STUN error codes, which can result in memory corruption and could

CVE-2022-28750 9.8 - Critical - August 11, 2022

Zoom On-Premise Meeting Connector Zone Controller (ZC) before version 4.8.20220419.112 fails to properly parse STUN error codes, which can result in memory corruption and could allow a malicious actor to crash the application. In versions older than 4.8.12.20211115, this vulnerability could also be leveraged to execute arbitrary code.

Memory Corruption

The Zoom Client for Meetings (for Android

CVE-2022-28755 6.1 - Medium - August 11, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.11.0 are susceptible to a URL parsing vulnerability. If a malicious Zoom meeting URL is opened, the malicious link may direct the user to connect to an arbitrary network address, leading to additional attacks including the potential for remote code execution through launching executables from arbitrary paths.

Open Redirect

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability

CVE-2022-28753 5.4 - Medium - August 11, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.

AuthZ

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability

CVE-2022-28754 5.4 - Medium - August 11, 2022

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.

AuthZ

The Zoom Opener installer is downloaded by a user

CVE-2022-22788 7.8 - High - June 15, 2022

The Zoom Opener installer is downloaded by a user from the Launch meeting page, when attempting to join a meeting without having the Zoom Meeting Client installed. The Zoom Opener installer for Zoom Client for Meetings before version 5.10.3 and Zoom Rooms for Conference Room for Windows before version 5.10.3 are susceptible to a DLL injection attack. This vulnerability could be used to run arbitrary code on the victims host.

DLL preloading

Zooms On-Premise Meeting Connector MMR before version 4.8.113.20220526 fails to properly check the permissions of a Zoom meeting attendee

CVE-2022-28749 4.3 - Medium - June 15, 2022

Zooms On-Premise Meeting Connector MMR before version 4.8.113.20220526 fails to properly check the permissions of a Zoom meeting attendee. As a result, a threat actor in the Zooms waiting room can join the meeting without the consent of the host.

AuthZ

The Zoom Client for Meetings (for Android

CVE-2022-22787 7.5 - High - May 18, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.

Improper Certificate Validation

The Zoom Client for Meetings (for Android

CVE-2022-22784 8.1 - High - May 18, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used in a more sophisticated attack to forge XMPP messages from the server.

aka Blind XPath Injection

The Zoom Client for Meetings (for Android

CVE-2022-22785 9.1 - Critical - May 18, 2022

The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies to Zoom domains. This issue could be used in a more sophisticated attack to send an unsuspecting users Zoom-scoped session cookies to a non-Zoom domain. This could potentially allow for spoofing of a Zoom user.

Reliance on Cookies without Validation and Integrity Checking

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0

CVE-2022-22786 8.8 - High - May 18, 2022

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

Download of Code Without Integrity Check

The Zoom Client for Meetings for MacOS (Standard and for IT Admin) prior to version 5.9.6 failed to properly check the package version during the update process

CVE-2022-22781 7.5 - High - April 28, 2022

The Zoom Client for Meetings for MacOS (Standard and for IT Admin) prior to version 5.9.6 failed to properly check the package version during the update process. This could lead to a malicious actor updating an unsuspecting users currently installed version to a less secure version.

Improper Validation of Integrity Check Value

The Zoom Client for Meetings for Windows prior to version 5.9.7

CVE-2022-22782 7.1 - High - April 28, 2022

The Zoom Client for Meetings for Windows prior to version 5.9.7, Zoom Rooms for Conference Room for Windows prior to version 5.10.0, Zoom Plugins for Microsoft Outlook for Windows prior to version 5.10.3, and Zoom VDI Windows Meeting Clients prior to version 5.9.6; was susceptible to a local privilege escalation issue during the installer repair operation. A malicious actor could utilize this to potentially delete system level files or folders, causing integrity or availability issues on the users host machine.

Improper Privilege Management

A vulnerability in Zoom On-Premise Meeting Connector Controller version 4.8.102.20220310 and On-Premise Meeting Connector MMR version 4.8.102.20220310 exposes process memory fragments to connected clients

CVE-2022-22783 7.5 - High - April 28, 2022

A vulnerability in Zoom On-Premise Meeting Connector Controller version 4.8.102.20220310 and On-Premise Meeting Connector MMR version 4.8.102.20220310 exposes process memory fragments to connected clients, which could be observed by a passive attacker.

Exposure of Resource to Wrong Sphere

The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6

CVE-2022-22780 6.5 - Medium - February 09, 2022

The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6, iOS before version 5.9.0, Linux before version 5.8.6, macOS before version 5.7.3, and Windows before version 5.6.3. This could lead to availability issues on the client host by exhausting system resources.

Resource Exhaustion

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU Firmware versions "24" and prior

CVE-2021-20610 7.5 - High - December 01, 2021

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU Firmware versions "24" and prior, Mitsubishi Electric MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions "57" and prior, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions "28" and prior, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PCPU Firmware versions "29" and prior, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PSFCPU Firmware versions "08" and prior, Mitsubishi Electric MELSEC iQ-R Series R16/32/64MTCPU Operating system software version "23" and prior, Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V Firmware versions "16" and prior, Mitsubishi Electric MELSEC Q Series Q03UDECPU The first 5 digits of serial No. "23121" and prior, Mitsubishi Electric MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU The first 5 digits of serial No. "23121" and prior, Mitsubishi Electric MELSEC Q Series Q03/04/06/13/26UDVCPU The first 5 digits of serial No. "23071" and prior, Mitsubishi Electric MELSEC Q Series Q04/06/13/26UDPVCPU The first 5 digits of serial No. "23071" and prior, Mitsubishi Electric MELSEC Q Series Q12DCCPU-V The first 5 digits of serial No. "24031" and prior, Mitsubishi Electric MELSEC Q Series Q24DHCCPU-V(G) The first 5 digits of serial No. "24031" and prior, Mitsubishi Electric MELSEC Q Series Q24/26DHCCPU-LS The first 5 digits of serial No. "24031" and prior, Mitsubishi Electric MELSEC Q Series MR-MQ100 Operating system software version "F" and prior, Mitsubishi Electric MELSEC Q Series Q172/173DCPU-S1 Operating system software version "W" and prior, Mitsubishi Electric MELSEC Q Series Q172/173DSCPU All versions, Mitsubishi Electric MELSEC Q Series Q170MCPU Operating system software version "W" and prior, Mitsubishi Electric MELSEC Q Series Q170MSCPU(-S1) All versions, Mitsubishi Electric MELSEC L Series L02/06/26CPU(-P) The first 5 digits of serial No. "23121" and prior, Mitsubishi Electric MELSEC L Series L26CPU-(P)BT The first 5 digits of serial No. "23121" and prior and Mitsubishi Electric MELIPC Series MI5122-VW Firmware versions "05" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.

A vulnerability was discovered in the Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS before version 5.0.1, Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) before version 5.8.3, Controllers for Zoom Rooms (for Android, iOS, and Windows) before version 5.8.3, Zoom VDI Windows Meeting Client before version 5.8.4, Zoom VDI Azure Virtual Desktop Plugins (for Windows x86 or x64, IGEL x64, Ubuntu x64, HP ThinPro OS x64) before version 5.8.4.21112, Zoom VDI Citrix Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom VDI VMware Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom Meeting SDK for Android before version 5.7.6.1922, Zoom Meeting SDK for iOS before version 5.7.6.1082, Zoom Meeting SDK for macOS before version 5.7.6.1340, Zoom Meeting SDK for Windows before version 5.7.6.1081, Zoom Video SDK (for Android, iOS, macOS, and Windows) before version 1.1.2, Zoom on-premise Meeting Connector before version 4.8.12.20211115, Zoom on-premise Meeting Connector MMR before version 4.8.12.20211115, Zoom on-premise Recording Connector before version 5.1.0.65.20211116, Zoom on-premise Virtual Room Connector before version 4.4.7266.20211117, Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5692.20211117, Zoom Hybrid Zproxy before version 1.0.1058.20211116, and Zoom Hybrid MMR before version 4.6.20211116.131_x86-64 which potentially

CVE-2021-34424 7.5 - High - November 24, 2021

A vulnerability was discovered in the Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS before version 5.0.1, Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) before version 5.8.3, Controllers for Zoom Rooms (for Android, iOS, and Windows) before version 5.8.3, Zoom VDI Windows Meeting Client before version 5.8.4, Zoom VDI Azure Virtual Desktop Plugins (for Windows x86 or x64, IGEL x64, Ubuntu x64, HP ThinPro OS x64) before version 5.8.4.21112, Zoom VDI Citrix Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom VDI VMware Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom Meeting SDK for Android before version 5.7.6.1922, Zoom Meeting SDK for iOS before version 5.7.6.1082, Zoom Meeting SDK for macOS before version 5.7.6.1340, Zoom Meeting SDK for Windows before version 5.7.6.1081, Zoom Video SDK (for Android, iOS, macOS, and Windows) before version 1.1.2, Zoom on-premise Meeting Connector before version 4.8.12.20211115, Zoom on-premise Meeting Connector MMR before version 4.8.12.20211115, Zoom on-premise Recording Connector before version 5.1.0.65.20211116, Zoom on-premise Virtual Room Connector before version 4.4.7266.20211117, Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5692.20211117, Zoom Hybrid Zproxy before version 1.0.1058.20211116, and Zoom Hybrid MMR before version 4.6.20211116.131_x86-64 which potentially allowed for the exposure of the state of process memory. This issue could be used to potentially gain insight into arbitrary areas of the product's memory.

Out-of-bounds Read

A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android

CVE-2021-34423 9.8 - Critical - November 24, 2021

A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS before version 5.0.1, Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) before version 5.8.3, Controllers for Zoom Rooms (for Android, iOS, and Windows) before version 5.8.3, Zoom VDI Windows Meeting Client before version 5.8.4, Zoom VDI Azure Virtual Desktop Plugins (for Windows x86 or x64, IGEL x64, Ubuntu x64, HP ThinPro OS x64) before version 5.8.4.21112, Zoom VDI Citrix Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom VDI VMware Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom Meeting SDK for Android before version 5.7.6.1922, Zoom Meeting SDK for iOS before version 5.7.6.1082, Zoom Meeting SDK for macOS before version 5.7.6.1340, Zoom Meeting SDK for Windows before version 5.7.6.1081, Zoom Video SDK (for Android, iOS, macOS, and Windows) before version 1.1.2, Zoom On-Premise Meeting Connector Controller before version 4.8.12.20211115, Zoom On-Premise Meeting Connector MMR before version 4.8.12.20211115, Zoom On-Premise Recording Connector before version 5.1.0.65.20211116, Zoom On-Premise Virtual Room Connector before version 4.4.7266.20211117, Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5692.20211117, Zoom Hybrid Zproxy before version 1.0.1058.20211116, and Zoom Hybrid MMR before version 4.6.20211116.131_x86-64. This can potentially allow a malicious actor to crash the service or application, or leverage this vulnerability to execute arbitrary code.

Classic Buffer Overflow

The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703

CVE-2021-34417 7.2 - High - November 11, 2021

The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR before version 4.6.365.20210703, Zoom On-Premise Recording Connector before version 3.8.45.20210703, Zoom On-Premise Virtual Room Connector before version 4.4.6868.20210703, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5496.20210703 fails to validate input sent in requests to set the network proxy password. This could lead to remote command injection by a web portal administrator.

Improper Input Validation

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate

CVE-2021-34418 5.3 - Medium - November 11, 2021

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

NULL Pointer Dereference

In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0

CVE-2021-34419 5.3 - Medium - November 11, 2021

In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.

Injection

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi

CVE-2021-34420 7.4 - High - November 11, 2021

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customers computer.

Improper Verification of Cryptographic Signature

Zoom Call Recording 6.3.1 from Eleveo is vulnerable to Java Deserialization attacks targeting the inbuilt RMI service

CVE-2019-19810 10 - Critical - October 28, 2021

Zoom Call Recording 6.3.1 from Eleveo is vulnerable to Java Deserialization attacks targeting the inbuilt RMI service. A remote unauthenticated attacker can exploit this vulnerability by sending crafted RMI requests to execute arbitrary code on the target host.

Marshaling, Unmarshaling

It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0

CVE-2021-34409 7.8 - High - September 27, 2021

It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.

During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0

CVE-2021-34412 7.8 - High - September 27, 2021

During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Improper Privilege Management

All versions of the Zoom Plugin for Microsoft Outlook for MacOS before 5.3.52553.0918 contain a Time-of-check Time-of-use (TOC/TOU) vulnerability during the plugin installation process

CVE-2021-34413 7.5 - High - September 27, 2021

All versions of the Zoom Plugin for Microsoft Outlook for MacOS before 5.3.52553.0918 contain a Time-of-check Time-of-use (TOC/TOU) vulnerability during the plugin installation process. This could allow a standard user to write their own malicious application to the plugin directory, allowing the malicious application to execute in a privileged context.

TOCTTOU

The network address administrative settings web portal for the Zoom on-premise Meeting Connector before version 4.6.360.20210325, Zoom on-premise Meeting Connector MMR before version 4.6.360.20210325, Zoom on-premise Recording Connector before version 3.8.44.20210326, Zoom on-premise Virtual Room Connector before version 4.4.6752.20210326, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network configuration

CVE-2021-34416 9.8 - Critical - September 27, 2021

The network address administrative settings web portal for the Zoom on-premise Meeting Connector before version 4.6.360.20210325, Zoom on-premise Meeting Connector MMR before version 4.6.360.20210325, Zoom on-premise Recording Connector before version 3.8.44.20210326, Zoom on-premise Virtual Room Connector before version 4.4.6752.20210326, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network configuration, which could lead to remote command injection on the on-premise image by the web portal administrators.

Improper Input Validation

The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets

CVE-2021-34415 7.5 - High - September 27, 2021

The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash.

Allocation of Resources Without Limits or Throttling

The network proxy page on the web portal for the Zoom on-premise Meeting Connector Controller before version 4.6.348.20201217, Zoom on-premise Meeting Connector MMR before version 4.6.348.20201217, Zoom on-premise Recording Connector before version 3.8.42.20200905, Zoom on-premise Virtual Room Connector before version 4.4.6620.20201110, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network proxy configuration

CVE-2021-34414 7.2 - High - September 27, 2021

The network proxy page on the web portal for the Zoom on-premise Meeting Connector Controller before version 4.6.348.20201217, Zoom on-premise Meeting Connector MMR before version 4.6.348.20201217, Zoom on-premise Recording Connector before version 3.8.42.20200905, Zoom on-premise Virtual Room Connector before version 4.4.6620.20201110, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network proxy configuration, which could lead to remote command injection on the on-premise image by a web portal administrator.

Improper Input Validation

During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges

CVE-2021-34411 7.8 - High - September 27, 2021

During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Improper Privilege Management

A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521

CVE-2021-34410 7.8 - High - September 27, 2021

A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.

Incorrect Permission Assignment for Critical Resource

The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client

CVE-2021-34408 7.8 - High - September 27, 2021

The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory.

insecure temporary file

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client

CVE-2021-33907 9.8 - Critical - September 27, 2021

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.

Improper Certificate Validation

Zoom through 5.5.4 sometimes

CVE-2021-28133 4.3 - Medium - March 18, 2021

Zoom through 5.5.4 sometimes allows attackers to read private information on a participant's screen, even though the participant never attempted to share the private part of their screen. When a user shares a specific application window via the Share Screen functionality, other meeting participants can briefly see contents of other application windows that were explicitly not shared. The contents of these other windows can (for instance) be seen for a short period of time when they overlay the shared window and get into focus. (An attacker can, of course, use a separate screen-recorder application, unsupported by Zoom, to save all such contents for later replays and analysis.) Depending on the unintentionally shared data, this short exposure of screen contents may be a more or less severe security issue.

Information Disclosure

An exploitable partial path traversal vulnerability exists in the way Zoom Client version 4.6.10 processes messages including shared code snippets

CVE-2020-6110 8.8 - High - June 08, 2020

An exploitable partial path traversal vulnerability exists in the way Zoom Client version 4.6.10 processes messages including shared code snippets. A specially crafted chat message can cause an arbitrary binary planting which could be abused to achieve arbitrary code execution. An attacker needs to send a specially crafted message to a target user or a group to trigger this vulnerability. For the most severe effect, target user interaction is required.

Directory traversal

An exploitable path traversal vulnerability exists in the Zoom client, version 4.6.10 processes messages including animated GIFs

CVE-2020-6109 9.8 - Critical - June 08, 2020

An exploitable path traversal vulnerability exists in the Zoom client, version 4.6.10 processes messages including animated GIFs. A specially crafted chat message can cause an arbitrary file write, which could potentially be abused to achieve arbitrary code execution. An attacker needs to send a specially crafted message to a target user or a group to exploit this vulnerability.

Directory traversal

The Zoom IT installer for Windows (ZoomInstallerFull.msi) prior to version 4.6.10 deletes files located in %APPDATA%\Zoom before installing an updated version of the client

CVE-2020-11443 8.1 - High - May 04, 2020

The Zoom IT installer for Windows (ZoomInstallerFull.msi) prior to version 4.6.10 deletes files located in %APPDATA%\Zoom before installing an updated version of the client. Standard users are able to write to this directory, and can write links to other directories on the machine. As the installer runs with SYSTEM privileges and follows these links, a user can cause the installer to delete files that otherwise cannot be deleted by the user.

Incorrect Permission Assignment for Critical Resource

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC encryption

CVE-2020-11877 7.5 - High - April 17, 2020

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC encryption. NOTE: the vendor states that this IV is used only within unreachable code.

Use of Insufficiently Random Values

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context

CVE-2020-11876 7.5 - High - April 17, 2020

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context. NOTE: the vendor states that this initialization only occurs within unreachable code.

Use of a Broken or Risky Cryptographic Algorithm

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption

CVE-2020-11500 7.5 - High - April 03, 2020

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.

Use of a Broken or Risky Cryptographic Algorithm

Zoom Client for Meetings through 4.6.8 on macOS has the disable-library-validation entitlement, which

CVE-2020-11470 3.3 - Low - April 01, 2020

Zoom Client for Meetings through 4.6.8 on macOS has the disable-library-validation entitlement, which allows a local process (with the user's privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Zoom Client's microphone and camera access.

AuthZ

Zoom Client for Meetings through 4.6.8 on macOS copies runwithroot to a user-writable temporary directory during installation, which

CVE-2020-11469 7.8 - High - April 01, 2020

Zoom Client for Meetings through 4.6.8 on macOS copies runwithroot to a user-writable temporary directory during installation, which allows a local process (with the user's privileges) to obtain root access by replacing runwithroot.

Files or Directories Accessible to External Parties

The Zoom Client before 4.4.53932.0709 on macOS allows remote code execution, a different vulnerability than CVE-2019-13450

CVE-2019-13567 8.8 - High - July 12, 2019

The Zoom Client before 4.4.53932.0709 on macOS allows remote code execution, a different vulnerability than CVE-2019-13450. If the ZoomOpener daemon (aka the hidden web server) is running, but the Zoom Client is not installed or can't be opened, an attacker can remotely execute code with a maliciously crafted launch URL. NOTE: ZoomOpener is removed by the Apple Malware Removal Tool (MRT) if this tool is enabled and has the 2019-07-10 MRTConfigData.

Shell injection

In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs)

CVE-2019-13449 6.5 - Medium - July 09, 2019

In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.

Improper Input Validation

In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers

CVE-2019-13450 6.5 - Medium - July 09, 2019

In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.

AuthZ

Zoom clients on Windows (before version 4.1.34814.1119)

CVE-2018-15715 9.8 - Critical - November 30, 2018

Zoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0915 and below) are vulnerable to unauthorized message processing. A remote unauthenticated attacker can spoof UDP messages from a meeting attendee or Zoom server in order to invoke functionality in the target client. This allows the attacker to remove attendees from meetings, spoof messages from users, or hijack shared screens.

Improper Input Validation

The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not properly sanitize user input when constructing a shell command, which

CVE-2017-15049 8.8 - High - December 19, 2017

The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not properly sanitize user input when constructing a shell command, which allows remote attackers to execute arbitrary code by leveraging the zoommtg:// scheme handler.

Shell injection

Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201

CVE-2017-15048 8.8 - High - December 19, 2017

Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 allows remote attackers to execute arbitrary code by leveraging the zoommtg:// scheme handler.

Buffer Overflow

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