{"id":"CVE-2024-3656","aliases":["EUVD-2024-1880","GHSA-2cww-fgmg-4jqc"],"status":"published","title":"Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities","description":"A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.03323,"percentile":0.88684,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-200","CWE-269","CWE-284"],"published":"2024-06-11T20:22:40Z","modified":"2026-10-28T02:30:38Z","exploits":[{"source":"nuclei","id":"CVE-2024-3656","title":"Keycloak \u003c 24.0.5 - Broken Access Control","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-3656.yaml"},{"source":"pocgithub","id":"h4x0r-dz/CVE-2024-3656","title":"h4x0r-dz/CVE-2024-3656","date":"2024-10-12","url":"https://github.com/h4x0r-dz/CVE-2024-3656"}],"fixes":[{"ecosystem":"Maven","package":"org.keycloak:keycloak-services","fixed_in":["24.0.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.keycloak:keycloak-services","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.0.5"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.keycloak:keycloak-services","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.0.5"}]}],"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","10.0.0","10.0.1","10.0.2","11.0.0","11.0.1","11.0.2","11.0.3","12.0.0","12.0.1","12.0.2","12.0.3","12.0.4","13.0.0","13.0.1","14.0.0","15.0.0","15.0.1","15.0.2","15.1.0","15.1.1","16.0.0","16.1.0","16.1.1","17.0.0","17.0.1","18.0.0","18.0.1","18.0.2","19.0.0","19.0.1","19.0.2","19.0.3","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","20.0.0","20.0.1","20.0.2","20.0.3","20.0.4","20.0.5","21.0.0","21.0.1","21.0.2","21.1.0","21.1.1","21.1.2","22.0.0","22.0.1","22.0.2","22.0.3","22.0.4","22.0.5","23.0.0","23.0.1","23.0.2","23.0.3","23.0.4","23.0.5","23.0.6","23.0.7","24.0.0","24.0.1","24.0.2","24.0.3","24.0.4","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","8.0.0","8.0.1","8.0.2","9.0.0","9.0.2","9.0.3"]}],"products":[{"vendor":"red hat","product":"red hat build of keycloak"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 8"},{"vendor":"red hat","product":"red hat single sign-on 7"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2024:3572","tags":["vendor-advisory","x_refsource_REDHAT","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2024:3575","tags":["vendor-advisory","x_refsource_REDHAT","advisory","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2024-3656","tags":["vdb-entry","x_refsource_REDHAT","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2274403","tags":["issue-tracking","x_refsource_REDHAT","report","web"]},{"url":"https://github.com/advisories/GHSA-2cww-fgmg-4jqc","tags":["advisory"]},{"url":"https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/","tags":["web"]},{"url":"https://news.ycombinator.com/item?id=42136000","tags":["web"]},{"url":"https://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.md","tags":["web"]},{"url":"https://github.com/keycloak/keycloak/security/advisories/GHSA-2cww-fgmg-4jqc","tags":["web"]},{"url":"https://github.com/keycloak/keycloak/commit/d9f0c84b797525eac55914db5f81a8133ef5f9b1","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3656","tags":["advisory"]},{"url":"https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system","tags":["web"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3656.json","tags":["advisory"]},{"url":"https://github.com/keycloak/keycloak","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-3656","title":"Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities","description":"A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.","status":"published","published":"2024-10-09T18:59:11.101Z","modified":"2026-10-09T15:35:14.704Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:34:10.613319Z"}],"euvd":[{"id":"EUVD-2024-1880","description":"A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.","status":"published","published":"2024-10-09T18:59:11Z","modified":"2026-10-09T15:35:14Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:25.010362Z"}],"ghsa":[{"id":"GHSA-2cww-fgmg-4jqc","title":"Keycloak's admin API allows low privilege users to use administrative functions","description":"Users with low privileges (just plain users in the realm) are able to utilize administrative functionalities within Keycloak admin interface. This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.\n\n**Acknowledgements:**\nSpecial thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.","status":"published","published":"2024-06-11T20:22:40Z","modified":"2024-12-23T17:11:17Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-200","CWE-269","CWE-284"],"updated_at":"2026-11-02T14:38:26.167657Z"}],"nvd":[{"id":"CVE-2024-3656","description":"A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.","status":"published","published":"2024-10-09T19:15:13.547Z","modified":"2026-10-09T16:17:19.977Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:10:31.271525Z"}],"osv":[{"id":"CVE-2024-3656","title":"Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities","description":"A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.","status":"published","published":"2024-10-09T18:59:11.101Z","modified":"2026-10-28T02:30:38.83644985Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:40.704083Z"},{"id":"GHSA-2cww-fgmg-4jqc","title":"Keycloak's admin API allows low privilege users to use administrative functions","description":"Users with low privileges (just plain users in the realm) are able to utilize administrative functionalities within Keycloak admin interface. This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.\n\n**Acknowledgements:**\nSpecial thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.","status":"published","published":"2024-06-11T20:22:40Z","modified":"2026-08-07T08:12:10.712563944Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-200","CWE-269","CWE-284"],"updated_at":"2026-11-02T15:46:34.338541Z"}]}}