Vulnerability · Published Apr 25, 2024 · Assigned by GitLab

CVE-2024-4024Authentication Bypass by Assumed-Immutable Data in GitLab

High 7.3

In plain English

A high-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 14.9% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)14.9%top 3.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:24.04:LTS	gitlab-agent	no fix listed	UBUNTU-CVE-2024-4024
Ubuntu:25.10	gitlab-agent	no fix listed	UBUNTU-CVE-2024-4024
Ubuntu:26.04:LTS	gitlab-agent	no fix listed	UBUNTU-CVE-2024-4024
Ubuntu:26.10	gitlab-agent	no fix listed	UBUNTU-CVE-2024-4024

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	7.8 – before 16.9.616.10 – before 16.10.416.11 – before 16.11.1

Weakness: CWE-302 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References

GitLab Issue #452426 issue-tracking