Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01612 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nagios:remote_plug_in_executor:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | Nagios |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
- cpe:2.3:a:nagios:remote_plug_in_executor:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Nagios
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6581
- 2026-10-03 Alias added: GHSA-cvrp-qf9f-rq8m
References
Sources
- CVE-2020-6581 · CVE Program
- CVE-2020-6581 · NVD
- FIRST EPSS
- GHSA-cvrp-qf9f-rq8m · GitHub Advisory Database · CC BY 4.0
- CVE-2020-6581 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences