What is CVE-2021-22253?

CVE-2021-22253 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-08-23.

How severe is CVE-2021-22253?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Auth bypass in Gitlab

CVE-2021-22253

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

Vulnerability class: Broken Access Control

EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L.

Affected products

Gitlab — versions >=13.4, <13.12.9, >=14.0, <14.0.7, >=14.1, <14.1.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22253?: CVE-2021-22253 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-08-23.
How severe is CVE-2021-22253?: Medium severity. CVSS v3 base score is 4.9 out of 10.