Denial of Service Vulnerability in GitLab EE
CVE-2025-1257

6.5MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
13 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in certain GitLab EE instances that could allow an attacker to manipulate specific API inputs. This manipulation could lead to a denial of service condition, disrupting the normal functionality of the application. This issue affects all GitLab EE versions starting from 12.3 to prior releases of versions 17.7.7, 17.8.5, and 17.9.2. It is crucial for users and administrators to implement the latest security patches to mitigate potential risks.

Affected Version(s)

GitLab 12.3 < 17.7.7

GitLab 17.8 < 17.8.5

GitLab 17.9 < 17.9.2

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.

CVE-2025-1257 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/519348
issue-trackingpermissions-required
https://hackerone.com/reports/2984218
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

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