CVE-2020-28169

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.

• CWE-732

• http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.htmlExploit, Third Party Advisory, VDB Entry
• https://docs.fluentd.org/installation/install-by-msiProduct, Vendor Advisory
• https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1Patch, Third Party Advisory
• https://github.com/fluent/fluentd/issues/3201Exploit, Issue Tracking, Third Party Advisory
• https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938Patch, Third Party Advisory
• https://td-agent-package-browser.herokuapp.com/4/windowsThird Party Advisory
• https://www.debian.org/security/2021/dsa-4949Third Party Advisory
• https://www.fluentd.org/Vendor Advisory
• http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.htmlExploit, Third Party Advisory, VDB Entry
• https://docs.fluentd.org/installation/install-by-msiProduct, Vendor Advisory
• https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1Patch, Third Party Advisory
• https://github.com/fluent/fluentd/issues/3201Exploit, Issue Tracking, Third Party Advisory
• https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938Patch, Third Party Advisory
• https://td-agent-package-browser.herokuapp.com/4/windowsThird Party Advisory
• https://www.debian.org/security/2021/dsa-4949Third Party Advisory
• https://www.fluentd.org/Vendor Advisory

Published

Dec 24, 2020

Last Modified

Jun 17, 2026

Status

Modified

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