What is CVE-2023-3907?

CVE-2023-3907 is a medium-severity vulnerability in Gitlab, classified under CWE-286. CVSS score: 4.9/10. Published 2023-12-17.

How severe is CVE-2023-3907?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Gitlab

CVE-2023-3907

A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner

EPSS: 0.000 (7.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Gitlab — versions 16.0, 16.5, 16.6

Weakness classification (CWE)

CWE-286

References

GitLab Issue #418878 (issue-tracking, permissions-required)
HackerOne Bug Bounty Report #2058934 (technical-description, exploit, permissions-required)

Frequently asked questions

What is CVE-2023-3907?: CVE-2023-3907 is a medium-severity vulnerability in Gitlab, classified under CWE-286. CVSS score: 4.9/10. Published 2023-12-17.
How severe is CVE-2023-3907?: Medium severity. CVSS v3 base score is 4.9 out of 10.