Subdomain Takeover Vulnerability in GitLab CE/EE
CVE-2024-5528

3.5LOW

Key Information:

Vendor
Gitlab
Status
Vendor
CVE Published:
5 February 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An issue has been identified in GitLab CE/EE that allows attackers to exploit misconfigurations leading to a subdomain takeover in GitLab Pages. This vulnerability impacts all versions up to 16.11.6, as well as specific versions in the 17.x series, making it crucial to upgrade to the latest versions to mitigate potential risks effectively. Organizations using affected GitLab instances should investigate their configurations and implement remediation actions immediately.

Affected Version(s)

GitLab 0.0 < 16.11.6

GitLab 17.0 < 17.0.4

GitLab 17.1 < 17.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [fdeleite](https://hackerone.com/fdeleite) for reporting this vulnerability through our HackerOne bug bounty program
.