Improper Cryptographic Signature Verification in Zoom for Windows Clients
CVE-2023-28602

7.7HIGH

Key Information:

Vendor

Zoom Video Communications, Inc.
Status
Zoom for Windows Client
Vendor
CVE Published:
13 June 2023

What is CVE-2023-28602?

Zoom for Windows clients before version 5.13.5 are susceptible to an improper verification of cryptographic signature vulnerability. This flaw allows an adversary to potentially manipulate client-side components by downgrading them to earlier versions, compromising integrity and potentially leading to other security-related issues.

Affected Version(s)

Zoom for Windows Client before 5.13.5

References

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

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2023-28602 : Improper Cryptographic Signature Verification in Zoom for Windows Clients