CVE-2021-45347: Zzcms

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.

Affected products

• Zzcms Zzcms: version 8.2 only

Published 2022-02-14. Last modified 2026-06-17.