CVEvulnerability

CVE-2021-22175

9.8 CRITICAL Known exploited Published 2021-06-11 Modified 2026-10-01 Official page ↗

CISA Known Exploited Vulnerability

GitLab Server-Side Request Forgery (SSRF) Vulnerability — GitLab GitLab

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

Added to KEV
2026-02-18
Remediation due
2026-03-11
Ransomware use
Unknown
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.
Notes
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json ; https://nvd.nist.gov/vuln/detail/CVE-2021-22175
Status
Analyzed
Published
2021-06-11
Last modified
2026-10-01
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-918

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

Affected configurations

• gitlab gitlab (>= 10.5.0 < 13.6.7) • gitlab gitlab (>= 13.7.0 < 13.7.7) • gitlab gitlab (>= 13.8.0 < 13.8.4)

Related

Weakness · CWE (1)

  • CWE-918 Server-Side Request Forgery weakness

References