Auth bypass in GitLab

CVE-2024-4024

An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.8 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. Under certain conditions, an attacker with their Bitbucket account credentials may be able to take over a GitLab account linked to another user's Bitbucket account, if Bitbucket is used as an OAuth 2.0 provider on GitLab.

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.149 (96.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-4024: held from 0.149 to 0.149.

EPSS over last 30 days · oldest: 0.149 · newest: 0.149 · change: 0.000

Affected products

  • GitLab — versions 16.10, 16.11, 16.11.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-4024?
CVE-2024-4024 is a high-severity vulnerability in GitLab, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 7.3/10. Published 2024-04-25.
How severe is CVE-2024-4024?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2024-4024 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.