Fortinet FortiClient

An improper authentication vulnerability [CWE-287] in Fortinet FortiClientEMS version 7.4.0 and before 7.2.4

CVE-2024-32119 - June 10, 2025

An improper authentication vulnerability [CWE-287] in Fortinet FortiClientEMS version 7.4.0 and before 7.2.4 allows an unauthenticated attacker with the knowledge of the targeted user's FCTUID and VDOM to perform operations such as uploading or tagging on behalf of the targeted user via specially crafted TCP requests.

1390

A improper validation of certificate with host mismatch in Fortinet FortiClientWindows version 7.4.0, versions 7.2.0 through 7.2.6, and 7.0 all versions

CVE-2024-54019 - June 10, 2025

A improper validation of certificate with host mismatch in Fortinet FortiClientWindows version 7.4.0, versions 7.2.0 through 7.2.6, and 7.0 all versions allow an unauthorized attacker to redirect VPN connections via DNS spoofing or another form of redirection.

Improper Validation of Certificate with Host Mismatch

A server-side request forgery vulnerability [CWE-918] in Fortinet FortiClientEMS version 7.4.0 through 7.4.2 and before 7.2.6 may

CVE-2023-48786 - June 10, 2025

A server-side request forgery vulnerability [CWE-918] in Fortinet FortiClientEMS version 7.4.0 through 7.4.2 and before 7.2.6 may allow an authenticated attacker to perform internal requests via crafted HTTP or HTTPS requests.

SSRF

An Incorrect Authorization vulnerability [CWE-863] in FortiClient Mac 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14 may

CVE-2025-25251 7.8 - High - May 28, 2025

An Incorrect Authorization vulnerability [CWE-863] in FortiClient Mac 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14 may allow a local attacker to escalate privileges via crafted XPC messages.

AuthZ

A exposure of sensitive system information to an unauthorized control sphere in Fortinet FortiClientWindows versions 7.2.0 through 7.2.1 may

CVE-2025-24473 3.7 - Low - May 28, 2025

A exposure of sensitive system information to an unauthorized control sphere in Fortinet FortiClientWindows versions 7.2.0 through 7.2.1 may allow an unauthorized remote attacker to view application information via navigation to a hosted webpage, if Windows is configured to accept incoming connections to port 8053 (non-default setup)

Exposure of Sensitive System Information to an Unauthorized Control Sphere

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient before 7.4.1 may

CVE-2025-22855 - April 08, 2025

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient before 7.4.1 may allow the EMS administrator to send messages containing javascript code.

XSS

An improper authentication in Fortinet FortiClientMac 7.0.11 through 7.2.4

CVE-2024-52968 - February 11, 2025

An improper authentication in Fortinet FortiClientMac 7.0.11 through 7.2.4 allows attacker to gain improper access to MacOS via empty password.

authentification

A use of hard-coded cryptographic key in Fortinet FortiClientWindows version 7.4.0, 7.2.x all versions, 7.0.x all versions, and 6.4.x all versions may

CVE-2024-50564 3.3 - Low - January 14, 2025

A use of hard-coded cryptographic key in Fortinet FortiClientWindows version 7.4.0, 7.2.x all versions, 7.0.x all versions, and 6.4.x all versions may allow a low-privileged user to decrypt interprocess communication via monitoring named piped.

Use of Hard-coded Credentials

FortiClient VCM Engine Privilege Escalation Vulnerability

CVE-2020-15934 7.8 - High - December 19, 2024

An execution with unnecessary privileges vulnerability in the VCM engine of FortiClient for Linux versions 6.2.7 and below, version 6.4.0. may allow local users to elevate their privileges to root by creating a malicious script or program on the target machine.

Improper Privilege Management

FortiClient: Cleartext Storage of Sensitive Information in VPN Password Handling

CVE-2024-50570 - December 18, 2024

A Cleartext Storage of Sensitive Information vulnerability [CWE-312] in FortiClientWindows 7.4.0 through 7.4.1, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13 and FortiClientLinux 7.4.0 through 7.4.2, 7.2.0 through 7.2.7, 7.0.0 through 7.0.13 may permit a local authenticated user to retrieve VPN password via memory dump, due to JavaScript's garbage collector

Cleartext Storage of Sensitive Information

Fortinet FortiClientWindows Authentication Bypass via Named Pipe Spoofing

CVE-2024-47574 7.8 - High - November 13, 2024

A authentication bypass using an alternate path or channel in Fortinet FortiClientWindows version 7.4.0, versions 7.2.4 through 7.2.0, versions 7.0.12 through 7.0.0, and 6.4.10 through 6.4.0 allows low privilege attacker to execute arbitrary code with high privilege via spoofed named pipe messages.

Missing Authentication for Critical Function

Fortinet FortiClientWindows DLL Hijacking Vulnerability

CVE-2024-36507 7.8 - High - November 12, 2024

A untrusted search path in Fortinet FortiClientWindows versions 7.4.0, versions 7.2.4 through 7.2.0, versions 7.0.12 through 7.0.0 allows an attacker to run arbitrary code via DLL hijacking and social engineering.

Untrusted Path

FortiClient Windows Privilege Escalation via Lua Auto Patch Scripts

CVE-2024-36513 8.8 - High - November 12, 2024

A privilege context switching error vulnerability [CWE-270] in FortiClient Windows version 7.2.4 and below, version 7.0.12 and below, 6.4 all versions may allow an authenticated user to escalate their privileges via lua auto patch scripts.

Privilege Context Switching Error

FortiClient MacOS: Improper Verification of Cryptographic Signature in Installer

CVE-2024-40592 6.7 - Medium - November 12, 2024

An improper verification of cryptographic signature vulnerability [CWE-347] in FortiClient MacOS version 7.4.0, version 7.2.4 and below, version 7.0.10 and below, version 6.4.10 and below may allow a local authenticated attacker to swap the installer with a malicious package via a race condition during the installation process.

Improper Verification of Cryptographic Signature

A cleartext storage of sensitive information in memory vulnerability [CWE-316] affecting FortiClient VPN iOS 7.2 all versions, 7.0 all versions, 6.4 all versions, 6.2 all versions, 6.0 all versions may allow an unauthenticated attacker

CVE-2024-35282 4.6 - Medium - September 10, 2024

A cleartext storage of sensitive information in memory vulnerability [CWE-316] affecting FortiClient VPN iOS 7.2 all versions, 7.0 all versions, 6.4 all versions, 6.2 all versions, 6.0 all versions may allow an unauthenticated attacker that has physical access to a jailbroken device to obtain cleartext passwords via keychain dump.

Cleartext Storage of Sensitive Information

AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may

CVE-2024-31489 8.1 - High - September 10, 2024

AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiGate and the FortiClient during the ZTNA tunnel creation

Improper Certificate Validation

An improper certificate validation vulnerability [CWE-295] in FortiClientWindows 6.4 all versions, 7.0.0 through 7.0.7, FortiClientMac 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientLinux 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientAndroid 6.4 all versions, 7.0 all versions, 7.2.0 and FortiClientiOS 5.6 all versions, 6.0.0 through 6.0.1, 7.0.0 through 7.0.6 SAML SSO feature may

CVE-2022-45856 5.9 - Medium - September 10, 2024

An improper certificate validation vulnerability [CWE-295] in FortiClientWindows 6.4 all versions, 7.0.0 through 7.0.7, FortiClientMac 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientLinux 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientAndroid 6.4 all versions, 7.0 all versions, 7.2.0 and FortiClientiOS 5.6 all versions, 6.0.0 through 6.0.1, 7.0.0 through 7.0.6 SAML SSO feature may allow an unauthenticated attacker to man-in-the-middle the communication between the FortiClient and  both the service provider and the identity provider.

Improper Certificate Validation

DHCP can add routes to a clients routing table via the classless static route option (121)

CVE-2024-3661 7.6 - High - May 06, 2024

DHCP can add routes to a clients routing table via the classless static route option (121). VPN-based security solutions that rely on routes to redirect traffic can be forced to leak traffic over the physical interface. An attacker on the same local network can read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN.

Missing Authentication for Critical Function

An external control of file name or path vulnerability [CWE-73] in FortiClientMac version 7.2.3 and below, version 7.0.10 and below installer may

CVE-2024-31492 7.8 - High - April 10, 2024

An external control of file name or path vulnerability [CWE-73] in FortiClientMac version 7.2.3 and below, version 7.0.10 and below installer may allow a local attacker to execute arbitrary code or commands via writing a malicious configuration file in /tmp before starting the installation process.

External Control of File Name or Path

An improper control of generation of code ('code injection') in Fortinet FortiClientLinux version 7.2.0, 7.0.6 through 7.0.10 and 7.0.3 through 7.0.4

CVE-2023-45590 8.8 - High - April 09, 2024

An improper control of generation of code ('code injection') in Fortinet FortiClientLinux version 7.2.0, 7.0.6 through 7.0.10 and 7.0.3 through 7.0.4 allows attacker to execute unauthorized code or commands via tricking a FortiClientLinux user into visiting a malicious website

Code Injection

A improper neutralization of special elements used in an sql command ('sql injection') in Fortinet FortiClientEMS version 7.2.0 through 7.2.2, FortiClientEMS 7.0.1 through 7.0.10

CVE-2023-48788 9.8 - Critical - March 12, 2024

A improper neutralization of special elements used in an sql command ('sql injection') in Fortinet FortiClientEMS version 7.2.0 through 7.2.2, FortiClientEMS 7.0.1 through 7.0.10 allows attacker to execute unauthorized code or commands via specially crafted packets.

SQL Injection

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10

CVE-2022-40681 7.1 - High - November 14, 2023

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to cause denial of service via sending a crafted request to a specific named pipe.

A untrusted search path vulnerability in Fortinet FortiClientWindows 7.0.9

CVE-2023-41840 7.8 - High - November 14, 2023

A untrusted search path vulnerability in Fortinet FortiClientWindows 7.0.9 allows an attacker to perform a DLL Hijack attack via a malicious OpenSSL engine library in the search path.

A use of hard-coded credentials vulnerability in Fortinet FortiClient Windows 7.0.0 - 7.0.9 and 7.2.0 - 7.2.1

CVE-2023-33304 5.5 - Medium - November 14, 2023

A use of hard-coded credentials vulnerability in Fortinet FortiClient Windows 7.0.0 - 7.0.9 and 7.2.0 - 7.2.1 allows an attacker to bypass system protections via the use of static credentials.

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Windows 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions, Linux 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions and Mac 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions, 6.2 all versions, may

CVE-2023-37939 3.3 - Low - October 10, 2023

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Windows 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions, Linux 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions and Mac 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions, 6.2 all versions, may allow a local authenticated attacker with no Administrative privileges to retrieve the list of files or folders excluded from malware scanning.

An incorrect default permission [CWE-276] vulnerability in FortiClient (Windows) versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter (Windows) versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may

CVE-2022-33877 5.5 - Medium - June 13, 2023

An incorrect default permission [CWE-276] vulnerability in FortiClient (Windows) versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter (Windows) versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may allow a local authenticated attacker to tamper with files in the installation folder, if FortiClient or FortiConverter is installed in an insecure folder.

Incorrect Default Permissions

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10

CVE-2022-40682 7.8 - High - April 11, 2023

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.

AuthZ

Multiple vulnerabilities including an incorrect permission assignment for critical resource [CWE-732] vulnerability and a time-of-check time-of-use (TOCTOU) race condition [CWE-367] vulnerability in Fortinet FortiClientWindows before 7.0.7

CVE-2022-43946 8.1 - High - April 11, 2023

Multiple vulnerabilities including an incorrect permission assignment for critical resource [CWE-732] vulnerability and a time-of-check time-of-use (TOCTOU) race condition [CWE-367] vulnerability in Fortinet FortiClientWindows before 7.0.7 allows attackers on the same file sharing network to execute commands via writing data into a windows pipe.

TOCTTOU

A relative path traversal vulnerability in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10

CVE-2022-42470 7.8 - High - April 11, 2023

A relative path traversal vulnerability in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.

Directory traversal

A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions may

CVE-2023-22635 7.8 - High - April 11, 2023

A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions may allow a local attacker to escalate their privileges via modifying the installer upon upgrade.

Download of Code Without Integrity Check

An exposure of sensitive information to an unauthorized actor vulnerabiltiy [CWE-200] in FortiClient for Mac versions 7.0.0 through 7.0.5 may

CVE-2022-33878 5.5 - Medium - November 02, 2022

An exposure of sensitive information to an unauthorized actor vulnerabiltiy [CWE-200] in FortiClient for Mac versions 7.0.0 through 7.0.5 may allow a local authenticated attacker to obtain the SSL-VPN password in cleartext via running a logstream for the FortiTray process in the terminal.

Information Disclosure

An execution with unnecessary privileges vulnerability [CWE-250] in FortiClientWindows 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.0 through 6.2.9, 6.0.0 through 6.0.10 may

CVE-2022-26113 7.1 - High - July 19, 2022

An execution with unnecessary privileges vulnerability [CWE-250] in FortiClientWindows 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.0 through 6.2.9, 6.0.0 through 6.0.10 may allow a local attacker to perform an arbitrary file write on the system.

Improper Privilege Management

A relative path traversal vulnerability [CWE-23] in FortiClient for Windows versions 7.0.2 and prior, 6.4.6 and prior and 6.2.9 and below may

CVE-2021-41031 7.8 - High - July 18, 2022

A relative path traversal vulnerability [CWE-23] in FortiClient for Windows versions 7.0.2 and prior, 6.4.6 and prior and 6.2.9 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service.

Directory traversal

A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below

CVE-2021-43066 7.8 - High - May 11, 2022

A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.

Exposure of Resource to Wrong Sphere

An incorrect permission assignment for critical resource vulnerability [CWE-732] in FortiClient for Linux version 6.0.8 and below, 6.2.9 and below, 6.4.7 and below, 7.0.2 and below may

CVE-2021-44167 7.5 - High - May 11, 2022

An incorrect permission assignment for critical resource vulnerability [CWE-732] in FortiClient for Linux version 6.0.8 and below, 6.2.9 and below, 6.4.7 and below, 7.0.2 and below may allow an unauthenticated attacker to access sensitive information in log files and directories via symbolic links.

Incorrect Permission Assignment for Critical Resource

An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may

CVE-2021-22127 8 - High - April 06, 2022

An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.

Shell injection

A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below

CVE-2021-44169 8.8 - High - April 06, 2022

A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory.

Improper Initialization

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may

CVE-2021-43205 5.3 - Medium - April 06, 2022

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may allow an unauthenticated attacker to access the confighandler webserver via external binaries.

Information Disclosure

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may

CVE-2021-41028 7.5 - High - December 16, 2021

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.

Use of Hard-coded Credentials

An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may

CVE-2021-36167 5.3 - Medium - December 09, 2021

An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may allow an unauthenticated attacker to bypass the webfilter control via modifying the session-id paramater.

A improper control of a resource through its lifetime in Fortinet FortiClientWindows version 6.4.1 and 6.4.0, version 6.2.9 and below, version 6.0.10 and below

CVE-2021-43204 4.4 - Medium - December 09, 2021

A improper control of a resource through its lifetime in Fortinet FortiClientWindows version 6.4.1 and 6.4.0, version 6.2.9 and below, version 6.0.10 and below allows attacker to cause a complete denial of service of its components via changes of directory access permissions.

An unsafe search path vulnerability in FortiClientWindows 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x and FortiClientEMS 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x may

CVE-2021-32592 7.8 - High - December 01, 2021

An unsafe search path vulnerability in FortiClientWindows 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x and FortiClientEMS 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x may allow an attacker to perform a DLL Hijack attack on affected devices via a malicious OpenSSL engine library in the search path.

DLL preloading

An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may

CVE-2021-36183 7.8 - High - November 02, 2021

An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates.

An improper control of generation of code vulnerability [CWE-94] in FortiClientMacOS versions 7.0.0 and below and 6.4.5 and below may

CVE-2021-42754 5 - Medium - November 02, 2021

An improper control of generation of code vulnerability [CWE-94] in FortiClientMacOS versions 7.0.0 and below and 6.4.5 and below may allow an authenticated attacker to hijack the MacOS camera without the user permission via the malicious dylib file.

Code Injection

An improper symlink following in FortiClient for Mac 6.4.3 and below may

CVE-2021-26089 7.8 - High - July 12, 2021

An improper symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitrary privileged shell commands during installation phase.

insecure temporary file

Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may

CVE-2019-16150 5.5 - Medium - June 04, 2020

Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may allow an attacker with access to the local storage or the configuration backup file to decrypt the sensitive data via knowledge of the hard-coded key.

Use of Hard-coded Credentials

An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may

CVE-2020-9291 7.8 - High - June 01, 2020

An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.

Exposure of Resource to Wrong Sphere

An Unsafe Search Path vulnerability in FortiClient for Windows online installer 6.2.3 and below may allow a local attacker with control over the directory in which FortiClientOnlineInstaller.exe and FortiClientVPNOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious Filter Library DLL files in

CVE-2020-9290 7.8 - High - March 15, 2020

An Unsafe Search Path vulnerability in FortiClient for Windows online installer 6.2.3 and below may allow a local attacker with control over the directory in which FortiClientOnlineInstaller.exe and FortiClientVPNOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious Filter Library DLL files in that directory.

DLL preloading

An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior

CVE-2019-17658 9.8 - Critical - March 12, 2020

An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior allow an attacker to gain elevated privileges via the FortiClientConsole executable service path.

Unquoted Search Path or Element

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may

CVE-2019-16155 7.1 - High - February 07, 2020

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to overwrite system files as root with arbitrary content through system backup file via specially crafted "BackupConfig" type IPC client requests to the fctsched process. Further more, FortiClient for Linux 6.2.2 and below allow low privilege user write the system backup file under root privilege through GUI thus can cause root system file overwrite.