Vulnerability · Published Apr 25, 2024 · Assigned by GitLab
CVE-2024-1347Authentication Bypass by Spoofing in GitLab
Medium 4.3
In plain English
A medium-severity authentication bypass by spoofing 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 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 58.9% 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 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 through a crafted email address may be able to bypass domain based restrictions on an instance or a group.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2024-1347 |
| Ubuntu:25.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2024-1347 |
| Ubuntu:26.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2024-1347 |
| Ubuntu:26.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2024-1347 |
Affected products (as reported)
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- GitLab Issue #441093 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2355565 technical-description, exploit, permissions-required