CVE-2021-22175

GitLab: Server-Side Request Forgery (SSRF)

As of , CVE-2021-22175 in GitLab is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 18 February 2026
US federal deadline
11 March 202621 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.53Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: gitlab.comLinks below, from CISA's entry.

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

GitLab contains a server-side request forgery (SSRF) vulnerability when requests to the internal network for webhooks are enabled.

CISA's 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

The CVE record's description, from GitLab

CVE published
11 June 2021
Assigned by
GitLab
CVSS
6.8 Medium (CVSS 3.1, from the CNA)
CWE-918
Server-Side Request Forgery (SSRF)
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

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