What is CVE-2023-3401?

CVE-2023-3401 is a medium-severity vulnerability in Gitlab, classified under Code Injection. CVSS score: 4.8/10. Published 2023-08-02.

How severe is CVE-2023-3401?

Medium severity. CVSS v3 base score is 4.8 out of 10.

RCE in Gitlab

CVE-2023-3401

An issue has been discovered in GitLab affecting all versions before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.005 (39.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N.

Affected products

Gitlab — versions 0, 16.1.0, 16.2.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

GitLab Issue #416252 (issue-tracking, Broken Link)
HackerOne Bug Bounty Report #2031845 (Permissions Required, technical-description, permissions-required, exploit, broken-link)

Frequently asked questions

What is CVE-2023-3401?: CVE-2023-3401 is a medium-severity vulnerability in Gitlab, classified under Code Injection. CVSS score: 4.8/10. Published 2023-08-02.
How severe is CVE-2023-3401?: Medium severity. CVSS v3 base score is 4.8 out of 10.