{"api_version":"1","generated_at":"2026-04-23T00:39:44+00:00","cve":"CVE-2020-28169","urls":{"html":"https://cve.report/CVE-2020-28169","api":"https://cve.report/api/cve/CVE-2020-28169.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-28169","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28169"},"summary":{"title":"CVE-2020-28169","description":"The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\\SYSTEM.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-12-24 15:15:00","updated_at":"2022-04-05 16:04:00"},"problem_types":["CWE-732"],"metrics":[],"references":[{"url":"https://github.com/fluent/fluentd/issues/3201","name":"https://github.com/fluent/fluentd/issues/3201","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"Possible Vulnerability · Issue #3201 · fluent/fluentd · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html","name":"http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html","refsource":"MISC","tags":[],"title":"Fluentd TD-agent 4.0.1 Insecure Folder Permission ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://td-agent-package-browser.herokuapp.com/4/windows","name":"https://td-agent-package-browser.herokuapp.com/4/windows","refsource":"MISC","tags":["Third Party Advisory"],"title":"Index of packages.treasuredata.com/4/windows","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2021/dsa-4949","name":"DSA-4949","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-4949-1 jetty9","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.fluentd.org/","name":"https://www.fluentd.org/","refsource":"MISC","tags":["Vendor Advisory"],"title":"Fluentd | Open Source Data Collector | Unified Logging Layer","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://docs.fluentd.org/installation/install-by-msi","name":"https://docs.fluentd.org/installation/install-by-msi","refsource":"MISC","tags":["Product","Vendor Advisory"],"title":"Install by .msi Installer (Windows) - Fluentd","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1","name":"https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1","refsource":"CONFIRM","tags":[],"title":"windows: mitigate possible escalation of privileges by kenhys · Pull Request #247 · fluent-plugins-nursery/td-agent-builder · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938","name":"https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"windows: mitigate possible escalation of privileges · kenhys/td-agent-builder@eec6e2d · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-28169","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28169","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"28169","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"28169","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"28169","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"28169","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"td-agent-builder_project","cpe5":"td-agent-builder","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"fluentd","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"28169","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"td-agent-builder_project","cpe5":"td-agent-builder","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"fluentd","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-28169","qid":"178738","title":"Debian Security Update for jetty9 (DSA 4949-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-28169","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":"The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\\SYSTEM."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://docs.fluentd.org/installation/install-by-msi","refsource":"MISC","name":"https://docs.fluentd.org/installation/install-by-msi"},{"url":"https://td-agent-package-browser.herokuapp.com/4/windows","refsource":"MISC","name":"https://td-agent-package-browser.herokuapp.com/4/windows"},{"url":"https://www.fluentd.org/","refsource":"MISC","name":"https://www.fluentd.org/"},{"refsource":"CONFIRM","name":"https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938","url":"https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938"},{"refsource":"CONFIRM","name":"https://github.com/fluent/fluentd/issues/3201","url":"https://github.com/fluent/fluentd/issues/3201"},{"refsource":"CONFIRM","name":"https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1","url":"https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html","url":"http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html"},{"refsource":"DEBIAN","name":"DSA-4949","url":"https://www.debian.org/security/2021/dsa-4949"}]}},"nvd":{"publishedDate":"2020-12-24 15:15:00","lastModifiedDate":"2022-04-05 16:04:00","problem_types":["CWE-732"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH"},"exploitabilityScore":1,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":6.9},"severity":"MEDIUM","exploitabilityScore":3.4,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:td-agent-builder_project:td-agent-builder:*:*:*:*:*:fluentd:*:*","versionEndExcluding":"2020-12-18","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"28169","Ordinal":"189905","Title":"CVE-2020-28169","CVE":"CVE-2020-28169","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"28169","Ordinal":"1","NoteData":"The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\\SYSTEM.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"28169","Ordinal":"2","NoteData":"2020-12-24","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"28169","Ordinal":"3","NoteData":"2021-08-05","Type":"Other","Title":"Modified"}]}}}