{"api_version":"1","generated_at":"2026-04-22T22:50:55+00:00","cve":"CVE-2022-3916","urls":{"html":"https://cve.report/CVE-2022-3916","api":"https://cve.report/api/cve/CVE-2022-3916.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-3916","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-3916"},"summary":{"title":"CVE-2022-3916","description":"A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2023-09-20 15:15:00","updated_at":"2023-11-07 03:51:00"},"problem_types":["CWE-613"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2022:8963","name":"https://access.redhat.com/errata/RHSA-2022:8963","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2022:8962","name":"https://access.redhat.com/errata/RHSA-2022:8962","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2022:8965","name":"https://access.redhat.com/errata/RHSA-2022:8965","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2022:8961","name":"https://access.redhat.com/errata/RHSA-2022:8961","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:1049","name":"https://access.redhat.com/errata/RHSA-2023:1049","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2022:8964","name":"https://access.redhat.com/errata/RHSA-2022:8964","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2022-3916","name":"https://access.redhat.com/security/cve/CVE-2022-3916","refsource":"MISC","tags":[],"title":"cve-details","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:1047","name":"https://access.redhat.com/errata/RHSA-2023:1047","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:1043","name":"https://access.redhat.com/errata/RHSA-2023:1043","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:1044","name":"https://access.redhat.com/errata/RHSA-2023:1044","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:1045","name":"https://access.redhat.com/errata/RHSA-2023:1045","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal - Access to 24x7 support and knowledge","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2141404","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2141404","refsource":"MISC","tags":[],"title":"2141404 – (CVE-2022-3916) CVE-2022-3916 keycloak: Session takeover with OIDC offline refreshtokens","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-3916","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3916","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"3916","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"keycloak","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform","cpe6":"4.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_for_linuxone","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_for_linuxone","cpe6":"4.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_for_power","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_for_power","cpe6":"4.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_ibm_z_systems","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"openshift_container_platform_ibm_z_systems","cpe6":"4.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"single_sign-on","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"text-only","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3916","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"single_sign-on","cpe6":"7.6","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-2022-3916","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Session Fixation","cweId":"CWE-384"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"keycloak","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"20.0.2","status":"unaffected"}]}}]}}]}},{"vendor_name":"Red Hat","product":{"product_data":[{"product_name":"Red Hat Single Sign-On 7","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}},{"product_name":"Red Hat Single Sign-On 7.6 for RHEL 7","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.3-1.redhat_00002.1.el7sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.6-1.redhat_00001.1.el7sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}}]}},{"product_name":"Red Hat Single Sign-On 7.6 for RHEL 8","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.3-1.redhat_00002.1.el8sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.6-1.redhat_00001.1.el8sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}}]}},{"product_name":"Red Hat Single Sign-On 7.6 for RHEL 9","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.3-1.redhat_00002.1.el9sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:18.0.6-1.redhat_00001.1.el9sso","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}}]}},{"product_name":"RHEL-8 based Middleware Containers","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"7.6-15","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"7.6-20","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/errata/RHSA-2022:8961","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2022:8961"},{"url":"https://access.redhat.com/errata/RHSA-2022:8962","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2022:8962"},{"url":"https://access.redhat.com/errata/RHSA-2022:8963","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2022:8963"},{"url":"https://access.redhat.com/errata/RHSA-2022:8964","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2022:8964"},{"url":"https://access.redhat.com/errata/RHSA-2022:8965","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2022:8965"},{"url":"https://access.redhat.com/errata/RHSA-2023:1043","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:1043"},{"url":"https://access.redhat.com/errata/RHSA-2023:1044","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:1044"},{"url":"https://access.redhat.com/errata/RHSA-2023:1045","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:1045"},{"url":"https://access.redhat.com/errata/RHSA-2023:1047","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:1047"},{"url":"https://access.redhat.com/errata/RHSA-2023:1049","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:1049"},{"url":"https://access.redhat.com/security/cve/CVE-2022-3916","refsource":"MISC","name":"https://access.redhat.com/security/cve/CVE-2022-3916"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2141404","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2141404"}]},"credits":[{"lang":"en","value":"Red Hat would like to thank Peter Flintholm (Trifork) for reporting this issue."}],"impact":{"cvss":[{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}]}},"nvd":{"publishedDate":"2023-09-20 15:15:00","lastModifiedDate":"2023-11-07 03:51:00","problem_types":["CWE-613"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.6,"impactScore":5.2}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*","versionEndExcluding":"20.0.2","cpe_name":[]}]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.9:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_for_power:4.9:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_for_power:4.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.9:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.10:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":null,"notes":[]}}}