{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-29T13:13:32.294","vulnerabilities":[{"cve":{"id":"CVE-2017-8438","sourceIdentifier":"security@elastic.co","published":"2017-06-05T14:29:00.280","lastModified":"2026-06-17T01:26:22.100","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a privilege escalation bug in the run_as functionality. This bug prevents transitioning into the specified user specified in a run_as request. If a role has been created using a template that contains the _user properties, the behavior of run_as will be incorrect. Additionally if the run_as user specified does not exist, the transition will not happen."},{"lang":"es","value":"Las versiones 5.0.0 hasta 5.4.0 de Elastic X-Pack Security contienen un error de escalación de privilegios en la funcionalidad run_as. Este error impide la transición al usuario establecido, especificado en una petición de run_as. Si un rol ha sido creado utilizando una plantilla que contiene las propiedades de _user, el comportamiento de run_as será incorrecto. Además, si el usuario run_as especificado no existe, la transición no se pasará."}],"affected":[{"source":"security@elastic.co","affectedData":[{"vendor":"Elastic","product":"X-Pack Security","versions":[{"version":"5.0.0 to 5.4.0","status":"affected"}]}]}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@elastic.co","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-269"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.0.0:*:*:*:*:*:*:*","matchCriteriaId":"C15893C0-5FFF-4A60-940F-C69EBF60CE62"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.0.1:*:*:*:*:*:*:*","matchCriteriaId":"BFE40EC5-19CF-4DDC-98CF-DEA035CBBDED"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.0.2:*:*:*:*:*:*:*","matchCriteriaId":"F2ABFD3F-65B8-45CA-8AA0-DD9FC0E668E5"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.1.0:*:*:*:*:*:*:*","matchCriteriaId":"26C9B833-CFB8-4CC3-A28D-E5320276E5D6"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.1.1:*:*:*:*:*:*:*","matchCriteriaId":"444B1E15-1BEF-479B-8DEA-1DB5ACE7C051"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.2.0:*:*:*:*:*:*:*","matchCriteriaId":"BF9945D4-5B3B-41B3-9F94-DB11A8F7E262"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.2.1:*:*:*:*:*:*:*","matchCriteriaId":"C26D394C-DE12-489F-B7E1-DF4C28BB404B"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.2.2:*:*:*:*:*:*:*","matchCriteriaId":"109A47C4-A688-4712-969F-08859B2A7923"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.3.0:*:*:*:*:*:*:*","matchCriteriaId":"761A9E6A-DBC5-48E4-8A79-A90F65C28E0F"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.3.1:*:*:*:*:*:*:*","matchCriteriaId":"8BAAB65B-1C7C-4929-ACAA-9993E1626FF6"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.3.2:*:*:*:*:*:*:*","matchCriteriaId":"BE9F72ED-C37A-435D-9253-801C97C50753"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.3.3:*:*:*:*:*:*:*","matchCriteriaId":"965A9F08-9C79-436D-98BA-DAC4F5D71EF7"},{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:x-pack:5.4.0:*:*:*:*:*:*:*","matchCriteriaId":"86D9F09D-81BD-4B6E-8016-E6EAF2D68E5D"}]}]}],"references":[{"url":"https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952","source":"security@elastic.co","tags":["Vendor Advisory"]},{"url":"https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released","source":"security@elastic.co","tags":["Patch","Vendor Advisory"]},{"url":"https://www.elastic.co/community/security","source":"security@elastic.co","tags":["Vendor Advisory"]},{"url":"https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://www.elastic.co/community/security","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}