CVE-2012-4390: ownCloud

Medium severity, CVSS 4.0. EPSS: 1.8% chance of exploitation in the next 30 days.

(1) apps/calendar/appinfo/remote.php and (2) apps/contacts/appinfo/remote.php in ownCloud before 4.0.7 allows remote authenticated users to enumerate the registered users via unspecified vectors.

Affected products

• ownCloud ownCloud: up to and including 4.0.6
• ownCloud ownCloud Server: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 4.0.0 only; version 4.0.1 only; …

Published 2012-09-05. Last modified 2026-06-16.