VULNERABILITY INTELLIGENCE

CVE-2023-6680

CVSS score7.4 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2023-12-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.

Weakness classification

  • cve@gitlab.com: CWE-295
  • nvd@nist.gov: CWE-295

Primary references