#VU63591 Improper validation of certificate with host mismatch in Zoom Video Communications, Inc. products - CVE-2022-22787

Vulnerability identifier: #VU63591

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-22787

CWE-ID: CWE-297

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Zoom Workplace Desktop App for Windows
Zoom Workplace Desktop App for macOS
Zoom Workplace Desktop App for Linux
Zoom Workplace App for Android
Zoom Workplace App for iOS

Software vendor:
Zoom Video Communications, Inc.

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to software fails to properly validate the hostname during a server switch request. A remote attacker can perform a man-in-the-middle (MitM) attack.

Install updates from vendor's website.

• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22009