CVE-2011-4589: Moodle

Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days.

backup/moodle2/restore_stepslib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 does not check for the moodle/course:changeidnumber privilege during handling of course ID numbers, which allows remote authenticated users to overwrite ID numbers via a restore action.

Affected products

• Moodle Moodle: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2012-07-20. Last modified 2026-06-16.