CVE-2023-6680: high-severity vulnerability in GitLab
Improper Certificate Validation in GitLab
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.4epss 0.4%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
GitLab · GitLabRelated CVEs — GitLab
In the same product, most dangerous first.
CVE-2021-22205CRITICALCVE-2021-22205EPSS 99.7%KEVCVE-2026-85706CRITICALImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLabEPSS 97.4%KEVCVE-2023-7028CRITICALWeak Password Recovery Mechanism for Forgotten Password in GitLabEPSS 94.5%KEVCVE-2026-97229CRITICALInteger Overflow or Wraparound in GitLabEPSS 65.2%KEVCVE-2021-22175MEDIUMCVE-2021-22175EPSS 53.4%KEVCVE-2021-39935MEDIUMCVE-2021-39935EPSS 36.1%KEV