CVE-2021-22214

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 27.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-06-08 · updated 2026-06-17
Weakness: CWE-918

Description

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

Affected products

GitLab: from 10.5 before 13.10.5; from 13.11 before 13.11.5; from 13.12 before 13.12.2 — fixed in 13.10.5, 13.11.5, 13.12.2

How to fix

Upgrade to a fixed version: GitLab 13.10.5, 13.11.5, 13.12.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22214.json
https://gitlab.com/gitlab-org/gitlab/-/issues/322926
https://hackerone.com/reports/1110131
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22214.json
https://gitlab.com/gitlab-org/gitlab/-/issues/322926
https://hackerone.com/reports/1110131

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