CVE-2012-3388: Moodle

Medium severity, CVSS 4.0. EPSS: 1.1% chance of exploitation in the next 30 days.

The is_enrolled function in lib/accesslib.php in Moodle 2.2.x before 2.2.4 and 2.3.x before 2.3.1 does not properly interact with the caching feature, which might allow remote authenticated users to bypass an intended capability check via unspecified vectors that trigger caching of a user record.

Affected products

• Moodle Moodle: version 2.2.0 only; version 2.2.1 only; version 2.2.2 only; version 2.2.3 only; version 2.3.0 only

Published 2012-07-23. Last modified 2026-06-16.