CVE-2024-45691: Moodle

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw was found in Moodle. When restricting access to a lesson activity with a password, certain passwords could be bypassed or less secure due to a loose comparison in the password-checking logic. This issue only affected passwords set to "magic hash" values.

Affected products

• Moodle Moodle: before 4.1.13 (fixed in 4.1.13); from 4.2.0, before 4.2.10 (fixed in 4.2.10); from 4.3.0, before 4.3.7 (fixed in 4.3.7); from 4.4.0, before 4.4.3 (fixed in 4.4.3)

Published 2024-11-20. Last modified 2026-06-17.