{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-29T16:26:38.388","vulnerabilities":[{"cve":{"id":"CVE-2018-17244","sourceIdentifier":"security@elastic.co","published":"2018-12-20T22:29:00.240","lastModified":"2026-06-17T01:45:35.463","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; when used with run as, this can result in the request running as the incorrect user. This could allow a user to access information that they should not have access to."},{"lang":"es","value":"Elasticsearch Security, de la versión 6.4.0 a la 6.4.2, contiene un error en la forma en la que se aplican las cabeceras de petición a las peticiones cuando se emplean los realms de Active Directory, LDAP, Native o File. Una petición podría recibir cabeceras destinadas a otra petición si se está autenticando el mismo usuario de forma simultánea; al emplearse con \"run as\", esto podría resultar en que la petición se ejecute como el usuario incorrecto. Esto podría permitir a un usuario acceder a información a la que no debería tener acceso."}],"affected":[{"source":"security@elastic.co","affectedData":[{"vendor":"Elastic","product":"Elasticsearch","versions":[{"version":"6.4.0 to 6.4.2","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:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N","baseScore":4.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@elastic.co","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-200"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndIncluding":"6.4.2","matchCriteriaId":"1033AC66-4A20-4113-B4CF-73FC799B2258"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/106318","source":"security@elastic.co","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594","source":"security@elastic.co","tags":["Vendor Advisory"]},{"url":"https://www.elastic.co/community/security","source":"security@elastic.co","tags":["Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/106318","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.elastic.co/community/security","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}