CVE-2021-40537

Severity: low (CVSS 2.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-08 · updated 2026-06-17
Weakness: CWE-918

Description

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

How to fix

Upgrade to a fixed version: owncloud User Ldap 0.15.4. Check the vendor advisory for mitigations.

References

https://owncloud.com/security-advisories/cve-2021-40537/
https://owncloud.com/security-advisories/cve-2021-40537/

Get alerted when CVE-2021-40537 or the next vulnerability affects your stack