Vulnerability Database

314,343

Total vulnerabilities in the database

CVE-2021-3943

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.

  • Published: Nov 22, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-3943
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
Composer icon moodle / moodle 3.9.0 3.9.10.x
Composer icon moodle / moodle 3.10.0 3.10.7.x
Composer icon moodle / moodle 3.11.0 3.11.3.x