CVE-2021-40537: ownCloud User LDAP

Low severity, CVSS 2.7. EPSS: 0.7% chance of exploitation in the next 30 days.

Server Side Request Forgery (SSRF) vulnerability exists in owncloud/user_ldap < 0.15.4 in the settings of the user_ldap app. Administration role is necessary for exploitation.

Affected products

• ownCloud User LDAP: before 0.15.4 (fixed in 0.15.4)

Published 2021-09-08. Last modified 2026-06-17.