Auth bypass in Gitlab

CVE-2021-22239

An unauthorized user was able to insert metadata when creating new issue on GitLab CE/EE 14.0 and later.

Vulnerability class: Broken Access Control

EPSS: 0.006 (44.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22239?: CVE-2021-22239 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 5.0/10. Published 2021-09-09.
How severe is CVE-2021-22239?: Medium severity. CVSS v3 base score is 5.0 out of 10.