CVE-2021-22253

Name: CVE-2021-22253
Creator: NVD / NIST
Published: 2021-08-23T20:15:13.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2021-22253 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 13.4.0, < 13.12.9
Gitlab	Gitlab	>= 14.0.0, < 14.0.7
Gitlab	Gitlab	>= 14.1.0, < 14.1.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/323794Broken Link
https://hackerone.com/reports/1113783Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/323794Broken Link
https://hackerone.com/reports/1113783Permissions Required, Third Party Advisory

Timeline

Published: Aug 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22253?

How severe is CVE-2021-22253?

CVE-2021-22253 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22253?

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-2021-22253?

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

Scan your code now

Source: NVD / NIST