CVE-2020-21238: Chshcms Cscms

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue in the user login box of CSCMS v4.0 allows attackers to hijack user accounts via brute force attacks.

Affected products

• Chshcms Cscms: version 4.0 only

Published 2021-12-27. Last modified 2026-06-17.