Description
Nagios XI versions prior to 2012R1.6 contain a shell command injection vulnerability in the Auto-Discovery tool. User-controlled input is passed to a shell without adequate sanitation or argument quoting, allowing an authenticated user with access to discovery functionality to execute arbitrary commands with the privileges of the application service.
Affected products
nagios: nagios xi
References2
- www.nagios.com/changelog/nagios-xi/ Release Notes
- www.vulncheck.com/advisories/nagios-xi-auto-discovery-shell-com… Third Party Advisory
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
8.7
HIGH
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 - EPSS — exploit probability
- 3% percentile: 89 · as of 10 November 2026
- CWE
- CWE-78
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.