CVE-2025-1477: gitlab DoS (CVSS 6.5)

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 8.14 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed an unauthenticated user to create a denial of service condition by sending specially crafted payloads to specific integration API endpoints.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
gitlab	gitlab	8.1.4 — 18.0.6
gitlab	gitlab	8.1.4 — 18.0.6
gitlab	gitlab	18.1.0 — 18.1.4
gitlab	gitlab	18.1.0 — 18.1.4
gitlab	gitlab	18.2.0 — 18.2.2
gitlab	gitlab	18.2.0 — 18.2.2

References

Other References

https://gitlab.com/gitlab-org/gitlab/-/issues/520353 https://hackerone.com/reports/2987614

Frequently Asked Questions

What is CVE-2025-1477? +

An issue has been discovered in GitLab CE/EE affecting all versions from 8.14 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed an unauthenticated user to create a denial of service condition by sending specially crafted payloads to specific integration API endpoints. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-1477? +

CVE-2025-1477 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-1477? +

CVE-2025-1477 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1477? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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