CVE-2021-22253

5.4 mediumEPSS 1.0%

Medium (5.4) in gitlab gitlab. EPSS 1.0% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.4 medium

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2021-08-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.json
https://gitlab.com/gitlab-org/gitlab/-/issues/323794
https://hackerone.com/reports/1113783
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.json
https://gitlab.com/gitlab-org/gitlab/-/issues/323794

Check your stack JSON