CVE-2021-32476: Moodle

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A denial-of-service risk was identified in the draft files area, due to it not respecting user file upload limits. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected.

Affected products

• Moodle Moodle: before 3.5.18 (fixed in 3.5.18); from 3.8.0, before 3.8.9 (fixed in 3.8.9); from 3.9.0, before 3.9.7 (fixed in 3.9.7); from 3.10.0, before 3.10.4 (fixed in 3.10.4)

Published 2022-03-11. Last modified 2026-06-17.