What is CVE-2023-5356?

CVE-2023-5356 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 7.3/10. Published 2024-01-12.

How severe is CVE-2023-5356?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2023-5356 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Gitlab

CVE-2023-5356

Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integr…

Vulnerability class: Broken Access Control

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N.

Affected products

Gitlab — versions 16.7, 16.7.1, 8.13

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2023-5356?: CVE-2023-5356 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 7.3/10. Published 2024-01-12.
How severe is CVE-2023-5356?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2023-5356 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.