What is CVE-2023-3443?

CVE-2023-3443 is a low-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 3.1/10. Published 2023-12-01.

How severe is CVE-2023-3443?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2023-3443 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-2023-3443

An issue has been discovered in GitLab affecting all versions starting from 12.1 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for a Guest user to add an emoji on confidential work items.

Vulnerability class: Broken Access Control

EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Gitlab — versions 16.6.0, 12.1, 16.5

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

GitLab Issue #416497 (issue-tracking, Broken Link, Vendor Advisory)
HackerOne Bug Bounty Report #2036500 (Permissions Required, technical-description, permissions-required, exploit, Third Party Advisory, broken-link)

Frequently asked questions

What is CVE-2023-3443?: CVE-2023-3443 is a low-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 3.1/10. Published 2023-12-01.
How severe is CVE-2023-3443?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2023-3443 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.