CVE-2025-34227 in the critical feed json
Nagios XI < 2026R1 Configuration Wizard Authenticated Command Injection
published last yr. modified 29d ago also EUVD-2025-31147
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.5%
- EPSS 26.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
Nagios XI < 2026R1 is vulnerable to an authenticated command injection vulnerability within the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. It is possible to inject shell characters into arguments provided to the service and execute arbitrary system commands on the underlying host as the `nagios` user.
Patch / fix
Is CVE-2025-34227 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
26.47% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- theyhack.me https://theyhack.me/CVE-2025-34227-Nagios-XI-Wizard-Command-Injection/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Nagios Nagios XI
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
nagios.com
/changelog/
vendor-advisory, patch, release-notes
-
nagios.com
/products/security/
vendor-advisory, patch
-
theyhack.me
/CVE-2025-34227-Nagios-XI-Wizard-Command-Injection/
technical-description, exploit, third-party-advisory
-
vulncheck.com
/advisories/nagios-xi-config-wizard-auth-command-injection
third-party-advisory
Sources
- CVE List CVE-2025-34227
- NVD CVE-2025-34227
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