{"affected":[{"affectedData":[{"collectionURL":"https://github.com/keycloak/keycloak","defaultStatus":"unaffected","packageName":"keycloak","versions":[{"lessThan":"22.0.10","status":"affected","version":"0","versionType":"semver"},{"lessThan":"24.0.3","status":"affected","version":"23.0.0","versionType":"semver"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:22::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 22","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"22.0.10-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:22::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 22","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"22-13","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:22::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 22","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"22-16","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:22"],"defaultStatus":"unaffected","packageName":"keycloak","product":"Red Hat build of Keycloak 22.0.10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"defaultStatus":"affected","packageName":"keycloak","product":"Red Hat Single Sign-On 7","vendor":"Red Hat"}],"source":"secalert@redhat.com"}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions."},{"lang":"es","value":"Se encontró una falla en Keycloak. Este problema ocurre debido a la aplicación incorrecta de tipos de tokens al validar firmas localmente. Esto podría permitir que un atacante autenticado intercambie un token de cierre de sesión por un token de acceso y posiblemente obtenga acceso a datos fuera de los permisos aplicados."}],"id":"CVE-2023-0657","lastModified":"2026-06-17T05:26:01.560","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":3.4,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":0.9,"impactScore":2.5,"source":"secalert@redhat.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-0657","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-17T16:18:32.777591Z","version":"2.0.3"}}]},"published":"2024-11-17T11:15:05.300","references":[{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2024:1867"},{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2024:1868"},{"source":"secalert@redhat.com","url":"https://access.redhat.com/security/cve/CVE-2023-0657"},{"source":"secalert@redhat.com","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2166728"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-273"}],"source":"secalert@redhat.com","type":"Secondary"}]}