What is CVE-2023-6502?

CVE-2023-6502 is a medium-severity vulnerability in Gitlab, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2024-05-23.

How severe is CVE-2023-6502?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-6502 known to be exploited?

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

Vulnerability in Gitlab

CVE-2023-6502

A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafted wiki page.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.005 (40.3th percentile) — read the EPSS interpretation.

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:N/A:L.

Affected products

Gitlab — versions 17.0, 16.11, 0

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

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

Frequently asked questions

What is CVE-2023-6502?: CVE-2023-6502 is a medium-severity vulnerability in Gitlab, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2024-05-23.
How severe is CVE-2023-6502?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-6502 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.