CVE-2020-28169
HIGHCVSS 7/10EPSS 1.17%
Last modified
CVE-2020-28169 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Td-Agent-Builder Project | Td-Agent-Builder | < 2020-12-18 |
| Debian | Debian Linux | 10.0 |
References
- 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/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/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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-28169?
CVE-2020-28169 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28169?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-28169?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST