{"action":"Upgrade org.keycloak:keycloak-core to 14.0.0 or later.","affected":[{"fixed":"14.0.0","introduced":"0"}],"component":"org.keycloak:keycloak-core","cve_ids":["CVE-2020-35509"],"ecosystem":"Maven","epss":0.00362,"exploited":false,"fixed_versions":["14.0.0"],"ghsa_id":"GHSA-rpj2-w6fr-79hc","id":"tcs_01M5N9C7CJZ7BW7GJWRS0NMFBG","modified_at":"2025-06-30T22:12:17.735956Z","published_at":"2022-08-24T00:00:29Z","references":["https://osv.dev/vulnerability/GHSA-rpj2-w6fr-79hc","https://nvd.nist.gov/vuln/detail/CVE-2020-35509","https://github.com/keycloak/keycloak/pull/6330","https://github.com/keycloak/keycloak/pull/8067","https://github.com/keycloak/keycloak/commit/478319348bdfdb9b6d39122f41edf2af79f679bb","https://access.redhat.com/security/cve/cve-2020-35509","https://bugzilla.redhat.com/show_bug.cgi?id=1912427","https://github.com/keycloak/keycloak","https://github.com/keycloak/keycloak/blob/4f330f4a57cbfcf6202b60546518261c66e59a35/services/src/main/java/org/keycloak/authentication/authenticators/x509/ValidateX509CertificateUsername.java#L74-L76"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-rpj2-w6fr-79hc","url":"https://osv.dev/vulnerability/GHSA-rpj2-w6fr-79hc"}],"summary":"Keycloak vulnerable to Improper Certificate Validation"}