CVE-2020-28169 EXPLOIT
7.0
HIGH · CVSS 3.1 · EPSS 1.2% (pctl 67)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.0 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 1.17% — more likely to be exploited than 67% of all CVEs |
| Weakness | CWE-732 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-12-24 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| debian | debian linux |
| microsoft | windows |
| td-agent-builder project | td-agent-builder |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Fluentd TD-agent plugin 4.0.1 - Insecure Folder Permission | 2021-01-05 |
References
- http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html
- https://docs.fluentd.org/installation/install-by-msi
- https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1
- https://github.com/fluent/fluentd/issues/3201
- https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938
- https://td-agent-package-browser.herokuapp.com/4/windows
- https://www.debian.org/security/2021/dsa-4949
- https://www.fluentd.org/
- http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html
- https://docs.fluentd.org/installation/install-by-msi
- https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1
- https://github.com/fluent/fluentd/issues/3201
- https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938
- https://td-agent-package-browser.herokuapp.com/4/windows
- https://www.debian.org/security/2021/dsa-4949
- https://www.fluentd.org/
→ the Explorer · watch your stack · NVD