CVE-2021-34420medium

CVE-2021-34420: medium-severity vulnerability in Zoom Client for Meetings for Windows

Zoom Windows installation executable signature bypass

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.7epss 0.4%
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 customer’s computer.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Affected products
Zoom Video Communications Inc · Zoom Client for Meetings for Windows
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