{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/307401?format=json","vulnerability_id":"VCID-ugmm-9je6-37df","summary":"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.","aliases":[{"alias":"CVE-2023-6680"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/923256?format=json","purl":"pkg:deb/debian/gitlab@0?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/gitlab@0%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/923255?format=json","purl":"pkg:deb/debian/gitlab@17.6.5-19?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/gitlab@17.6.5-19%3Fdistro=sid"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-6680","reference_id":"","reference_type":"","scores":[{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07123","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07171","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07145","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.072","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07232","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07229","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07216","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07207","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07144","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07122","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00029","scoring_system":"epss","scoring_elements":"0.08397","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00029","scoring_system":"epss","scoring_elements":"0.08368","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00029","scoring_system":"epss","scoring_elements":"0.08466","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00029","scoring_system":"epss","scoring_elements":"0.08444","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00029","scoring_system":"epss","scoring_elements":"0.08471","published_at":"2026-05-12T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08682","published_at":"2026-05-07T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08598","published_at":"2026-04-26T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08603","published_at":"2026-04-29T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.0854","published_at":"2026-05-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-6680"}],"weaknesses":[],"exploits":[],"severity_range_score":null,"exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-ugmm-9je6-37df"}