CRITICAL CISA KEV

CVE-2021-22175

CVSS v3

9.8

CRITICAL

EPSS Score

75.7%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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

CISA Known Exploited Vulnerability

Date Added
2/18/2026
Patch Due Date
3/11/2026
Ransomware Use
Unknown

Technical details

Published
6/11/2021

Frequently asked questions

What is CVE-2021-22175?

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

Is CVE-2021-22175 actively exploited?

Yes. CVE-2021-22175 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 3/11/2026.

What is the CVSS score for CVE-2021-22175?

CVE-2021-22175 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-22175 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.