{"id":"CVE-2020-28169","aliases":["EUVD-2020-20654","GHSA-qh64-cxhv-8756"],"status":"published","title":"The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges...","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.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01171,"percentile":0.67843,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-732"],"published":"2020-12-24T14:36:09Z","modified":"2026-06-17T03:10:09Z","exploits":[{"source":"pocgithub","id":"zubrahzz/FluentD-TD-agent-Exploit-CVE-2020-28169","title":"zubrahzz/FluentD-TD-agent-Exploit-CVE-2020-28169","date":"2020-12-24","url":"https://github.com/zubrahzz/FluentD-TD-agent-Exploit-CVE-2020-28169"},{"source":"exploitdb","id":"EDB-49363","title":"Fluentd TD-agent plugin 4.0.1 - Insecure Folder Permission","type":"local","platform":"windows","date":"2021-01-05","url":"https://www.exploit-db.com/exploits/49363"}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"td-agent-builder_project","product":"td-agent-builder"}],"references":[{"url":"https://docs.fluentd.org/installation/install-by-msi","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://td-agent-package-browser.herokuapp.com/4/windows","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.fluentd.org/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/fluent/fluentd/issues/3201","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.debian.org/security/2021/dsa-4949","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28169"},{"url":"https://github.com/advisories/GHSA-qh64-cxhv-8756"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2020-12-24T14:36:09Z","modified":"2024-08-04T16:33:57.773Z","updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2020-20654","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.","status":"published","published":"2020-12-24T14:36:09Z","modified":"2024-08-04T16:33:57Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-qh64-cxhv-8756","title":"The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges...","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.","status":"published","published":"2022-05-24T17:37:15Z","modified":"2023-01-29T05:05:49Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:45:52.819939Z"}],"nvd":[{"id":"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.","status":"published","published":"2020-12-24T15:15:12.95Z","modified":"2026-06-17T03:10:09.877Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:28.340168Z"}]}}