CVE-2021-43560: Fedoraproject Extra Packages For Enterprise Linux

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

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. Insufficient capability checks made it possible to fetch other users' calendar action events.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: version 7.0 only
• Fedoraproject Fedora: version 35 only
• Moodle Moodle: up to and including 3.8.8; from 3.9.0, before 3.9.11 (fixed in 3.9.11); from 3.10.0, before 3.10.8 (fixed in 3.10.8); from 3.11.0, before 3.11.4 (fixed in 3.11.4)

Published 2021-11-22. Last modified 2026-06-17.