CVE-2017-12157: Moodle

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

In Moodle 3.x, various course reports allow teachers to view details about users in the groups they can't access.

Affected products

• Moodle Moodle: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …

Published 2017-09-18. Last modified 2026-06-17.