CVE-2021-34420

Published: Nov 11, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

4.7

MEDIUM

Description

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.

Vendor	Product	Versions
Zoom Video Communications Inc	Zoom Client for Meetings for Windows	affected `unspecified - < 5.5.4`

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

References

https://explore.zoom.us/en/trust/security/security-bulletin

x_refsource_MISC

https://medium.com/manomano-tech/a-red-team-operation-leveraging-a-zero-day-vulnerability-in-zoom-80f57fb0822e

x_refsource_MISC

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CVE-2021-34420

Description

Affected Products

CVSS v3.1 Details

References