{"id":"CVE-2019-14820","aliases":["EUVD-2020-0398","GHSA-xfqh-7356-vqjj","RHSA-2019:3044","RHSA-2019:3045","RHSA-2019:3046","RHSA-2019:3048","RHSA-2019:3049"],"status":"published","title":"Exposure of Sensitive Information to an Unauthorized Actor in Keycloak","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00717,"percentile":0.54084,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2020-01-08T14:50:44Z","modified":"2026-10-24T10:30:17Z","fixes":[{"ecosystem":"Maven","package":"org.keycloak:keycloak-core","fixed_in":["8.0.0"],"sources":["ghsa","osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el6","package":"keycloak-adapter-sso7_3-eap6","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.ep6.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el6","package":"keycloak-saml-adapter-sso7_3-eap6","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.ep6.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el7","package":"keycloak-adapter-sso7_3-eap6","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.ep6.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el7","package":"keycloak-saml-adapter-sso7_3-eap6","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.ep6.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el6","package":"eap7-keycloak-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el6eap"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el6","package":"eap7-keycloak-saml-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el6eap"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el7","package":"eap7-keycloak-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el7eap"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el7","package":"eap7-keycloak-saml-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el7eap"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el8","package":"eap7-keycloak-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el8eap"],"sources":["osv"]},{"ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el8","package":"eap7-keycloak-saml-adapter-sso7_3","fixed_in":["0:4.8.13-1.Final_redhat_00001.1.el8eap"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.keycloak:keycloak-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.keycloak:keycloak-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0"}]}],"versions":["1.0-alpha-1","1.0-alpha-1-12062013","1.0-alpha-2","1.0-alpha-3","1.0-alpha-4","1.0-beta-1","1.0-beta-1-20150521","1.0-beta-1-20150523","1.0-beta-2","1.0-beta-3","1.0-beta-4","1.0-final","1.0-rc-1","1.0-rc-2","1.0.1.Final","1.0.2.Final","1.0.3.Final","1.0.4.Final","1.0.5.Final","1.1.0.Beta1","1.1.0.Beta2","1.1.0.Final","1.1.1.Final","1.2.0.Beta1","1.2.0.CR1","1.2.0.Final","1.3.0.Final","1.3.1.Final","1.4.0.Final","1.5.0-Final","1.5.0.Final","1.5.1.Final","1.6.0.Final","1.6.1.Final","1.7.0.CR1","1.7.0.Final","1.8.0.Alpha1","1.8.0.CR1","1.8.0.CR2","1.8.0.CR3","1.8.0.Final","1.8.1.Final","1.9.0.CR1","1.9.0.Final","1.9.1.Final","1.9.2.Final","1.9.3.Final","1.9.4.Final","1.9.5.Final","1.9.7.Final","1.9.8.Final","2.0.0.CR1","2.0.0.Final","2.1.0.CR1","2.1.0.Final","2.2.0.CR1","2.2.0.Final","2.2.1.Final","2.3.0.CR1","2.3.0.Final","2.4.0.CR1","2.4.0.Final","2.5.0.CR1","2.5.0.Final","2.5.1.Final","2.5.4.Final","2.5.5.Final","3.0.0.CR1","3.0.0.Final","3.1.0.CR1","3.1.0.Final","3.2.0.CR1","3.2.0.Final","3.2.1.Final","3.3.0.CR1","3.3.0.CR2","3.3.0.Final","3.4.0.CR1","3.4.0.Final","3.4.1.CR1","3.4.1.Final","3.4.2.Final","3.4.3.Final","4.0.0.Beta1","4.0.0.Beta2","4.0.0.Beta3","4.0.0.Final","4.1.0.Final","4.2.0.Final","4.2.1.Final","4.3.0.Final","4.4.0.Final","4.5.0.Final","4.6.0.Final","4.7.0.Final","4.8.0.Final","4.8.1.Final","4.8.2.Final","4.8.3.Final","5.0.0","6.0.0","6.0.1","7.0.0","7.0.1"]},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el6","package":"rh-sso7-keycloak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el6sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el6","package":"rh-sso7-keycloak-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el6sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el7","package":"rh-sso7-keycloak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el7sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el7","package":"rh-sso7-keycloak-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el7sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el7","package":"rh-sso7-libunix-dbus-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.8.0-2.el7sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el7","package":"rh-sso7-libunix-dbus-java-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.8.0-2.el7sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el7","package":"rh-sso7-libunix-dbus-java-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.8.0-2.el7sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el8","package":"rh-sso7-keycloak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el8sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:red_hat_single_sign_on:7::el8","package":"rh-sso7-keycloak-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el8sso"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el6","package":"keycloak-adapter-sso7_3-eap6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.ep6.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el6","package":"keycloak-saml-adapter-sso7_3-eap6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.ep6.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el7","package":"keycloak-adapter-sso7_3-eap6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.ep6.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:6::el7","package":"keycloak-saml-adapter-sso7_3-eap6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.ep6.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el6","package":"eap7-keycloak-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el6eap"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el6","package":"eap7-keycloak-saml-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el6eap"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el7","package":"eap7-keycloak-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el7eap"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el7","package":"eap7-keycloak-saml-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el7eap"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el8","package":"eap7-keycloak-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el8eap"}]}]},{"source":"osv","ecosystem":"Red Hat:jboss_enterprise_application_platform:7.2::el8","package":"eap7-keycloak-saml-adapter-sso7_3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.8.13-1.Final_redhat_00001.1.el8eap"}]}]}],"products":[{"vendor":"keycloak","product":"keycloak"},{"vendor":"redhat","product":"jboss_enterprise_application_platform"},{"vendor":"redhat","product":"jboss_fuse"},{"vendor":"redhat","product":"keycloak"},{"vendor":"redhat","product":"single_sign-on"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14820","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xfqh-7356-vqjj"},{"url":"https://access.redhat.com/errata/RHSA-2019:3044","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.3/","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1649870","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1713068","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1713468","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1725795","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1737517","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1749487","tags":["report"]},{"url":"https://issues.redhat.com/browse/KEYCLOAK-11454","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3044.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-10184","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-10184","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10184","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-12086","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-12086","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12086","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-12814","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-12814","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12814","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-14379","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14379","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14379","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-14820","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14820","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-14832","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14832","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14832","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3045","tags":["advisory"]},{"url":"https://issues.redhat.com/browse/KEYCLOAK-11455","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3045.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3046","tags":["advisory"]},{"url":"https://issues.redhat.com/browse/KEYCLOAK-11456","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3046.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3048","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3048.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3049","tags":["advisory"]},{"url":"https://issues.redhat.com/browse/JBEAP-17585","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3049.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-14820","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-01-08T14:50:44Z","modified":"2024-08-05T00:26:39.126Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:20:18.085548Z"}],"euvd":[{"id":"EUVD-2020-0398","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-01-08T14:50:44Z","modified":"2024-08-05T00:26:39Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T02:40:38.166988Z"}],"ghsa":[{"id":"GHSA-xfqh-7356-vqjj","title":"Exposure of Sensitive Information to an Unauthorized Actor in Keycloak","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-04-15T21:08:21Z","modified":"2023-02-01T05:03:00Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:36:31.364752Z"}],"nvd":[{"id":"CVE-2019-14820","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-01-08T15:15:11.26Z","modified":"2026-06-17T02:19:05.707Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:05:42.416368Z"}],"osv":[{"id":"CVE-2019-14820","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-01-08T15:15:11.26Z","modified":"2026-10-24T10:30:17.153158447Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:11.029493Z"},{"id":"GHSA-xfqh-7356-vqjj","title":"Exposure of Sensitive Information to an Unauthorized Actor in Keycloak","description":"It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.","status":"published","published":"2020-04-15T21:08:21Z","modified":"2023-11-08T04:01:11.015182Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:59.835583Z"},{"id":"RHSA-2019:3044","title":"Red Hat Security Advisory: Red Hat Single Sign-On 7.3.4 security update on RHEL 6","status":"published","published":"2024-09-13T19:54:28Z","modified":"2026-08-05T10:06:37Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3045","title":"Red Hat Security Advisory: Red Hat Single Sign-On 7.3.4 security update on RHEL 7","status":"published","published":"2024-09-13T19:54:34Z","modified":"2026-08-05T10:06:38Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3046","title":"Red Hat Security Advisory: Red Hat Single Sign-On 7.3.4 security update on RHEL 8","status":"published","published":"2024-09-13T19:54:41Z","modified":"2026-08-05T10:06:38Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3048","title":"Red Hat Security Advisory: RH-SSO 7.3.4 adapters for Enterprise Application Platform 6 security update","status":"published","published":"2024-09-13T16:12:53Z","modified":"2026-06-29T10:26:56Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3049","title":"Red Hat Security Advisory: RH-SSO 7.3.4 adapters for Enterprise Application Platform 7.2 security update","status":"published","published":"2024-09-13T16:13:01Z","modified":"2026-06-29T10:26:57Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:06.0195Z"}]}}