Auth bypass in GitLab

CVE-2023-1417

An issue has been discovered in GitLab affecting all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. It was possible for an unauthorised user to add child epics linked to victim's epic in an unrelated group.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-1417: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • GitLab — versions 15.10.0, >=15.9, <15.9.4, >=15.10, <15.10.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-1417?
CVE-2023-1417 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2023-04-05.
How severe is CVE-2023-1417?
Medium severity. CVSS v3 base score is 4.3 out of 10.