What is CVE-2023-3949?

CVE-2023-3949 is a medium-severity vulnerability in Gitlab, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2023-12-01.

How severe is CVE-2023-3949?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2023-3949 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gitlab

CVE-2023-3949

An issue has been discovered in GitLab affecting all versions starting from 11.3 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for unauthorized users to view a public projects' release descriptions via an atom endpoint when release access on the public was set to only project members.

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Gitlab — versions 16.6, 11.3, 16.6.0

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@gitlab.com (issue-tracking, Broken Link, Vendor Advisory)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2023-3949?: CVE-2023-3949 is a medium-severity vulnerability in Gitlab, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2023-12-01.
How severe is CVE-2023-3949?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-3949 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.