CVE-2021-22237

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git...

6.6 MediumFix available

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git actions even if impersonation is disabled. This vulnerability is present in GitLab CE/EE versions before 13.12.9, 14.0.7, 14.1.2

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.84%Up 0.2 points since Aug 26, 2021

What each source reports

CVE List Score used 6.6

Record: CVE-2021-22237
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2021-9383 6.6

Record: EUVD-2021-9383
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p3jh-342h-w8hj No score

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git...

Record: GHSA-p3jh-342h-w8hj
Weakness: CWE-384
Updated: 2026-11-02

NVD 6.6

Record: CVE-2021-22237
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
Weakness: CWE-384
Updated: 2026-11-02

OSV 4.9

Record: CVE-2021-22237
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-22237 4.9

Record: UBUNTU-CVE-2021-22237
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVBIT-gitlab-2021-22237 No score

Record: BIT-gitlab-2021-22237
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	13.1.0 up to 13.12.9, 14.0.0 up to 14.0.7, 14.1.0 up to 14.1.2	13.12.914.0.714.1.2
`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

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-22237 is a medium vulnerability (CVSS 6.6) in Gitlab, published August 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. Fixed in gitlab 13.12.9.