{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-24T17:48:53.216","vulnerabilities":[{"cve":{"id":"CVE-2017-12158","sourceIdentifier":"secalert@redhat.com","published":"2017-10-26T17:29:00.203","lastModified":"2025-04-20T01:37:25.860","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server."},{"lang":"es","value":"Se ha descubierto que Keycloak podría aceptar una URL de cabecera HOST en la consola de administración y emplearla para determinar localizaciones de recursos web. Un atacante podría usar este fallo contra un usuario autenticado para lograr un XSS reflejado mediante un servidor malicioso."}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-444"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:single_sign_on:7.0:*:*:*:*:*:*:*","matchCriteriaId":"DF1B9058-6085-456E-B86B-59C5B6169768"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:single_sign_on:7.1:*:*:*:*:*:*:*","matchCriteriaId":"11FE6021-DBE7-4FFD-B021-F97EF80BDEEA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*","matchCriteriaId":"9BBCD86A-E6C7-4444-9D74-F861084090F0"},{"vulnerable":false,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","matchCriteriaId":"51EF4996-72F4-4FA4-814F-F5991E7A8318"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:keycloak:keycloak:-:*:*:*:*:*:*:*","matchCriteriaId":"571D4D3F-5768-4F93-9337-3D82B7E0C118"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/101618","source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2904","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2905","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2906","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1489161","source":"secalert@redhat.com","tags":["Issue Tracking"]},{"url":"http://www.securityfocus.com/bid/101618","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2904","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2905","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2906","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1489161","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking"]}]}}]}