CVE-2021-20283: Fedoraproject Fedora

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Affected products

• Fedoraproject Fedora: version 32 only; version 34 only
• Moodle Moodle: from 3.5.0, before 3.5.17 (fixed in 3.5.17); from 3.8.0, before 3.8.8 (fixed in 3.8.8); from 3.9.0, before 3.9.5 (fixed in 3.9.5); from 3.10.0, before 3.10.2 (fixed in 3.10.2)

Published 2021-03-15. Last modified 2026-06-17.