CVE-2009-0501: Moodle

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

Unspecified vulnerability in the Calendar export feature in Moodle 1.8 before 1.8.8 and 1.9 before 1.9.4 allows attackers to obtain sensitive information and conduct "brute force attacks on user accounts" via unknown vectors.

Affected products

• Moodle Moodle: version 1.8.1 only; version 1.8.2 only; version 1.8.3 only; version 1.8.4 only; version 1.8.5 only; version 1.8.6 only; …

Published 2009-02-10. Last modified 2026-06-16.