CVE-2023-6680
HIGHGitLab 11.6-16.4.3, 16.5-16.5.3, 16.6-16.6.1 - Improper Certificate Validation in Smartcard Authentication
Title source: llmDescription
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.
References (1)
Core 1
Core References
Broken Link issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/421607
Scores
CVSS v3
7.4
EPSS
0.0003
EPSS Percentile
9.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-295
Status
published
Products (4)
gitlab/gitlab
11.6 - 16.4.4
GitLab/GitLab
11.6 - 16.4.4
GitLab/GitLab
16.5 - 16.5.4
GitLab/GitLab
16.6 - 16.6.2
Published
Dec 15, 2023
Tracked Since
Feb 18, 2026