{"api_version":"1","generated_at":"2026-07-24T17:43:46+00:00","cve":"CVE-2021-28938","urls":{"html":"https://cve.report/CVE-2021-28938","api":"https://cve.report/api/cve/CVE-2021-28938.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-28938","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28938"},"summary":{"title":"CVE-2021-28938","description":"Siren Federate before 6.8.14-10.3.9, 6.9.x through 7.6.x before 7.6.2-20.2, 7.7.x through 7.9.x before 7.9.3-21.6, 7.10.x before 7.10.2-22.2, and 7.11.x before 7.11.2-23.0 can leak user information across thread contexts. This occurs in opportunistic circumstances when there is concurrent query execution by a low-privilege user and a high-privilege user. The former query might run with the latter query's privileges.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-04-13 06:15:00","updated_at":"2021-05-04 16:07:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://docs.siren.io/siren-federate-user-guide/22/siren-federate/release-notes.html","name":"https://docs.siren.io/siren-federate-user-guide/22/siren-federate/release-notes.html","refsource":"MISC","tags":[],"title":"Release notes :: SIREN DOCS","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28938","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28938","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"28938","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"siren","cpe5":"federate","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"elasticsearch","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-28938","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Siren Federate before 6.8.14-10.3.9, 6.9.x through 7.6.x before 7.6.2-20.2, 7.7.x through 7.9.x before 7.9.3-21.6, 7.10.x before 7.10.2-22.2, and 7.11.x before 7.11.2-23.0 can leak user information across thread contexts. This occurs in opportunistic circumstances when there is concurrent query execution by a low-privilege user and a high-privilege user. The former query might run with the latter query's privileges."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://docs.siren.io/siren-federate-user-guide/22/siren-federate/release-notes.html","url":"https://docs.siren.io/siren-federate-user-guide/22/siren-federate/release-notes.html"}]}},"nvd":{"publishedDate":"2021-04-13 06:15:00","lastModifiedDate":"2021-05-04 16:07:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":1.4},"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:siren:federate:*:*:*:*:*:elasticsearch:*:*","versionEndExcluding":"6.8.14-10.3.9","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:siren:federate:*:*:*:*:*:elasticsearch:*:*","versionStartIncluding":"7.3.2-19.0","versionEndExcluding":"7.6.2-20.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:siren:federate:*:*:*:*:*:elasticsearch:*:*","versionStartIncluding":"7.7.1-20.0","versionEndExcluding":"7.9.3-21.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:siren:federate:*:*:*:*:*:elasticsearch:*:*","versionStartIncluding":"7.10.1-22.0","versionEndExcluding":"7.10.2-22.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"28938","Ordinal":"204114","Title":"CVE-2021-28938","CVE":"CVE-2021-28938","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"28938","Ordinal":"1","NoteData":"Siren Federate before 6.8.14-10.3.9, 6.9.x through 7.6.x before 7.6.2-20.2, 7.7.x through 7.9.x before 7.9.3-21.6, 7.10.x before 7.10.2-22.2, and 7.11.x before 7.11.2-23.0 can leak user information across thread contexts. This occurs in opportunistic circumstances when there is concurrent query execution by a low-privilege user and a high-privilege user. The former query might run with the latter query's privileges.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"28938","Ordinal":"2","NoteData":"2021-04-13","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"28938","Ordinal":"3","NoteData":"2021-04-13","Type":"Other","Title":"Modified"}]}}}