{"api_version":"1","generated_at":"2026-07-23T10:52:44+00:00","cve":"CVE-2019-20406","urls":{"html":"https://cve.report/CVE-2019-20406","api":"https://cve.report/api/cve/CVE-2019-20406.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-20406","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20406"},"summary":{"title":"CVE-2019-20406","description":"The usage of Tomcat in Confluence on the Microsoft Windows operating system before version 7.0.5, and from version 7.1.0 before version 7.1.1 allows local system attackers who have permission to write a DLL file in a directory in the global path environmental variable variable to inject code & escalate their privileges via a DLL hijacking vulnerability.","state":"PUBLIC","assigner":"security@atlassian.com","published_at":"2020-02-06 03:15:00","updated_at":"2021-12-13 16:05:00"},"problem_types":["CWE-427"],"metrics":[],"references":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-59428","name":"N/A","refsource":"N/A","tags":["Vendor Advisory"],"title":"[CONFSERVER-59428] Confluence on Windows was vulnerable to DLL hijacking - CVE-2019-20406 - Create and track feature requests for Atlassian products.","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20406","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20406","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"20406","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"atlassian","cpe5":"confluence","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"atlassian","cpe5":"confluence","cpe6":"7.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"atlassian","cpe5":"confluence","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"atlassian","cpe5":"confluence","cpe6":"7.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"atlassian","cpe5":"confluence_server","cpe6":"7.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20406","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","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@atlassian.com","DATE_PUBLIC":"2020-02-05T00:00:00","ID":"CVE-2019-20406","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Confluence Data Center","version":{"version_data":[{"version_value":"7.0.5","version_affected":"<"},{"version_value":"7.1.0","version_affected":">="},{"version_value":"7.1.1","version_affected":"<"}]}}]},"vendor_name":"Atlassian"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The usage of Tomcat in Confluence on the Microsoft Windows operating system before version 7.0.5, and from version 7.1.0 before version 7.1.1 allows local system attackers who have permission to write a DLL file in a directory in the global path environmental variable variable to inject code & escalate their privileges via a DLL hijacking vulnerability."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"DLL Hijacking"}]}]},"references":{"reference_data":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-59428","refsource":"MISC","name":"https://jira.atlassian.com/browse/CONFSERVER-59428"}]}},"nvd":{"publishedDate":"2020-02-06 03:15:00","lastModifiedDate":"2021-12-13 16:05:00","problem_types":["CWE-427"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:P/I:P/A:P","accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":4.4},"severity":"MEDIUM","exploitabilityScore":3.4,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.5","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:atlassian:confluence_server:7.1.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"20406","Ordinal":"168219","Title":"CVE-2019-20406","CVE":"CVE-2019-20406","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"20406","Ordinal":"1","NoteData":"The usage of Tomcat in Confluence on the Microsoft Windows operating system before version 7.0.5, and from version 7.1.0 before version 7.1.1 allows local system attackers who have permission to write a DLL file in a directory in the global path environmental variable variable to inject code & escalate their privileges via a DLL hijacking vulnerability.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"20406","Ordinal":"2","NoteData":"2020-02-05","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"20406","Ordinal":"3","NoteData":"2020-02-05","Type":"Other","Title":"Modified"}]}}}