CVE-2023-3115

Name: CVE-2023-3115
Creator: NVD / NIST
Published: 2023-09-29T07:15:13.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-3115 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An issue has been discovered in GitLab EE affecting all versions affecting all versions from 11.11 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Single Sign On restrictions were not correctly enforced for indirect project members accessing public members-only project repositories.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab EE affecting all versions affecting all versions from 11.11 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Single Sign On restrictions were not correctly enforced for indirect project members accessing public members-only project repositories.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.35%

26.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-286

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 11.11, < 16.2.8
Gitlab	Gitlab	>= 16.3.0, < 16.3.5
Gitlab	Gitlab	16.4.0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/414367Broken Link
https://hackerone.com/reports/2004158Permissions Required
https://gitlab.com/gitlab-org/gitlab/-/issues/414367Broken Link
https://hackerone.com/reports/2004158Permissions Required

Timeline

Published: Sep 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3115?

How severe is CVE-2023-3115?

CVE-2023-3115 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3115?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3115?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST