CVE-2021-3943: Moodle vulnerable to RCE via unsafe deserialization

Severity: Critical

CVSS Score: 9.8

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified.