zoom zoom-client-for-meetings CVE-2021-34420 is a vulnerability in Zoom Client For Meetings
Published on November 11, 2021

Zoom Windows installation executable signature bypass
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.

NVD

Vulnerability Analysis

CVE-2021-34420 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Products Associated with CVE-2021-34420

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Zoom Client For Meetings
 

Affected Versions

Zoom Video Communications Inc Zoom Client for Meetings for Windows:

Exploit Probability

EPSS
0.12%
Percentile
30.71%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.