{"api_version":"1","generated_at":"2026-07-24T19:59:36+00:00","cve":"CVE-2020-35509","urls":{"html":"https://cve.report/CVE-2020-35509","api":"https://cve.report/api/cve/CVE-2020-35509.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-35509","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-35509"},"summary":{"title":"CVE-2020-35509","description":"A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2022-08-23 16:15:00","updated_at":"2022-12-01 14:40:00"},"problem_types":["CWE-295"],"metrics":[],"references":[{"url":"https://access.redhat.com/security/cve/cve-2020-35509","name":"https://access.redhat.com/security/cve/cve-2020-35509","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-35509","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35509","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"35509","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"keycloak","cpe6":"11.0.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"35509","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"keycloak","cpe6":"12.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2020-35509","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20","cweId":"CWE-20"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"keycloak","version":{"version_data":[{"version_affected":"=","version_value":"11.0.3, 12.0.0"}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/security/cve/cve-2020-35509","refsource":"MISC","name":"https://access.redhat.com/security/cve/cve-2020-35509"}]}},"nvd":{"publishedDate":"2022-08-23 16:15:00","lastModifiedDate":"2022-12-01 14:40:00","problem_types":["CWE-295"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.5}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:keycloak:11.0.3:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"35509","Ordinal":"194184","Title":"CVE-2020-35509","CVE":"CVE-2020-35509","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"35509","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}