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CVE-2022-40314

CRITICAL severity · CVSS 9.8 · Insecure deserialization
9.8CVSS CRITICAL

Summary

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://moodle.org/mod/forum/discuss.php?d=438393 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC