Improper Authentication in Zoom Video Communications, Inc. products - CVE-2023-39215

Vulnerability identifier: #VU79137

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-39215

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Zoom Workplace Desktop App for Windows
Zoom Workplace Desktop App for macOS
Zoom Workplace Desktop App for Linux
Virtual Desktop Infrastructure (VDI)
Zoom Mobile App for iOS
Zoom Mobile App for Android

Install updates from vendor's website.

Zoom Workplace Desktop App for Windows - update to 5.15.5 19404
Zoom Workplace Desktop App for macOS - update to 5.15.5 20753
Zoom Workplace Desktop App for Linux - update to 5.15.5 5603
Virtual Desktop Infrastructure (VDI) - update to 5.15.5
Zoom Mobile App for iOS - update to 5.15.5 9303
Zoom Mobile App for Android - update to 5.15.5 15154

• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23040

• Improper authentication in Zoom client and Zoom VDI