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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (31.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GitLab — versions 16.6.0, 12.1, 16.5
Weakness classification (CWE)
Public proof-of-concept exploits
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.