CVE-2020-6581
HIGHCVSS 7.3/10EPSS 1.61%
Last modified
CVE-2020-6581 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.
Description
Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nagios | Remote Plug In Executor | 3.2.1 |
| Fedoraproject | Fedora | 32 |
References
- https://herolab.usd.de/security-advisories/Third Party Advisory
- https://herolab.usd.de/security-advisories/usd-2020-0002/Exploit, Third Party Advisory
- https://herolab.usd.de/security-advisories/Third Party Advisory
- https://herolab.usd.de/security-advisories/usd-2020-0002/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6581?
Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection.
How severe is CVE-2020-6581?
CVE-2020-6581 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6581?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-6581?
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Scan your code nowSource: NVD / NIST