{"api_version":"1","generated_at":"2026-04-29T01:31:05+00:00","cve":"CVE-2018-17244","urls":{"html":"https://cve.report/CVE-2018-17244","api":"https://cve.report/api/cve/CVE-2018-17244.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-17244","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-17244"},"summary":{"title":"CVE-2018-17244","description":"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.","state":"PUBLIC","assigner":"security@elastic.co","published_at":"2018-12-20 22:29:00","updated_at":"2019-10-09 23:36:00"},"problem_types":["CWE-200"],"metrics":[],"references":[{"url":"http://www.securityfocus.com/bid/106318","name":"106318","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Elasticsearch Security CVE-2018-17244 Information Disclosure Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.elastic.co/community/security","name":"https://www.elastic.co/community/security","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"200","archivestatus":"200"},{"url":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594","name":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594","refsource":"MISC","tags":["Vendor Advisory"],"title":"Elastic Stack 6.4.3 and 5.6.13 security update - Security Announcements - Discuss the Elastic Stack","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-17244","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17244","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"17244","vulnerable":"1","versionEndIncluding":"6.4.2","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"elastic","cpe5":"elasticsearch","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@elastic.co","ID":"CVE-2018-17244","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Elasticsearch","version":{"version_data":[{"version_value":"6.4.0 to 6.4.2"}]}}]},"vendor_name":"Elastic"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}]},"references":{"reference_data":[{"name":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594","refsource":"MISC","url":"https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594"},{"name":"https://www.elastic.co/community/security","refsource":"CONFIRM","url":"https://www.elastic.co/community/security"},{"name":"106318","refsource":"BID","url":"http://www.securityfocus.com/bid/106318"}]}},"nvd":{"publishedDate":"2018-12-20 22:29:00","lastModifiedDate":"2019-10-09 23:36:00","problem_types":["CWE-200"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndIncluding":"6.4.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"17244","Ordinal":"134057","Title":"CVE-2018-17244","CVE":"CVE-2018-17244","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"17244","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"17244","Ordinal":"2","NoteData":"2018-12-20","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"17244","Ordinal":"3","NoteData":"2018-12-27","Type":"Other","Title":"Modified"}]}}}