CVE-2021-22263

Name: CVE-2021-22263
Creator: NVD / NIST
Published: 2021-10-11T17:15:07.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2021-22263 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue has been discovered in GitLab affecting all versions starting from 13.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. A user account with 'external' status which is granted 'Maintainer' role on any project on the GitLab instance where 'project tokens' are allowed may elevate its privilege to 'Internal' and access Internal projects.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab affecting all versions starting from 13.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. A user account with 'external' status which is granted 'Maintainer' role on any project on the GitLab instance where 'project tokens' are allowed may elevate its privilege to 'Internal' and access Internal projects.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

1.06%

60.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 13.0.0, < 14.0.9
Gitlab	Gitlab	>= 14.1.0, < 14.1.4
Gitlab	Gitlab	>= 14.2.0, < 14.2.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22263.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/331473Exploit, Issue Tracking, Vendor Advisory
https://hackerone.com/reports/1193062Exploit, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22263.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/331473Exploit, Issue Tracking, Vendor Advisory
https://hackerone.com/reports/1193062Exploit, Third Party Advisory

Timeline

Published: Oct 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22263?

How severe is CVE-2021-22263?

CVE-2021-22263 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22263?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22263?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST