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Test ID:1.3.6.1.4.1.25623.1.0.147227
Category:General
Title:Zoom Client < 5.5.4 Signature Bypass Vulnerability (ZSB-21016) - Windows
Summary:The Zoom Client is prone to a signature bypass vulnerability.
Description:Summary:
The Zoom Client is prone to a signature bypass vulnerability.

Vulnerability Insight:
The Zoom Client for Meetings for Windows installer 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.

Affected Software/OS:
Zoom Client prior to version 5.5.4.

Solution:
Update to version 5.5.4 or later.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-34420
https://explore.zoom.us/en/trust/security/security-bulletin
https://medium.com/manomano-tech/a-red-team-operation-leveraging-a-zero-day-vulnerability-in-zoom-80f57fb0822e
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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