# CVE-2021-22175: GitLab Server-Side Request Forgery (SSRF) Vulnerability

> CVE-2021-22175: GitLab Server-Side Request Forgery (SSRF) Vulnerability. CVSS 6.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-22175
Last updated: 2026-10-01T19:17:14Z

- Published: 2021-06-11 15:30 UTC · Updated: 2026-10-01 19:17 UTC · Assigner: GitLab
- CVSS: 6.8 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- EPSS: 53.4%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-02-18, federal due date 2026-03-11, ransomware use: Unknown

## 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 required action

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

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-22175)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-22175)
- [https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json](https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json)
- [https://gitlab.com/gitlab-org/gitlab/-/issues/294178](https://gitlab.com/gitlab-org/gitlab/-/issues/294178)
- [https://hackerone.com/reports/1059596](https://hackerone.com/reports/1059596)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2021-22175 · Markdown: https://rewindex.com/cve/CVE-2021-22175.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-22175 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:12.277Z