CVE-2021-22175

When requests to the internal network for webhooks are enabled, a server-side request forgery...

6.8 MediumIn KEVFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

53.4%Up 52.5 points since Jun 12, 2021

What each source reports

CVE List Score used 6.8

Record: CVE-2021-22175
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2021-9321 6.8

Record: EUVD-2021-9321
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4gm2-v7j4-74p8 9.8

When requests to the internal network for webhooks are enabled, a server-side request forgery...

Record: GHSA-4gm2-v7j4-74p8
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

CISA KEV No score

GitLab Server-Side Request Forgery (SSRF) Vulnerability

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

Record: CVE-2021-22175
Weakness: CWE-918
Updated: 2026-11-02

NVD 6.8

Record: CVE-2021-22175
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-918
Updated: 2026-11-02

OSV 9.8

Record: CVE-2021-22175
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-22175 9.8

Record: UBUNTU-CVE-2021-22175
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2021-22175 No score

Record: BIT-gitlab-2021-22175
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	10.5.0 up to 13.6.7, 13.7.0 up to 13.7.7, 13.8.0 up to 13.8.4	13.6.713.7.713.8.4
`gitlab` Ubuntu:16.04:LTS	All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5	None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	GitLab CI Lint API - Server-Side Request Forgery

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-22175 is a medium vulnerability (CVSS 6.8) in Gitlab, published June 11, 2021. CISA lists it as known to be exploited, since February 18, 2026. EUVD reports exploitation since February 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 53.4%, the 98th percentile. Fixed in gitlab 13.6.7.