{"id":"CVE-2019-20894","details":"Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.","aliases":["GHSA-q9mp-79cp-9g8j","GO-2022-0774"],"modified":"2026-03-14T09:37:03.461072Z","published":"2020-07-02T16:15:11.357Z","references":[{"type":"REPORT","url":"https://github.com/containous/traefik/issues/5312"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/traefik/traefik","events":[{"introduced":"3d784a14f9a5b6f7631af87498a7c1f35664a5b1"},{"fixed":"8d7af21ff3112601d50d7395ad413ee9f1e3f32a"}],"database_specific":{"versions":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}}],"versions":["v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20894.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}