CVE-2020-21652: Myucms Project Myucms

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the addqq() method.

Affected products

• Myucms Project Myucms: version 2.2 only

Published 2021-10-06. Last modified 2026-06-17.