CVE-2021-22175
MEDIUM severity · CVSS 6.8 · Server-side request forgery (SSRF) · actively exploited (CISA KEV)
6.8CVSS MEDIUM exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2026-02-18. US federal agencies must patch by 2026-03-11.
Summary
When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)53%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.