CVE-2018-25122: Nagios XI

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Nagios XI versions prior to 5.4.13 contain a remote code execution vulnerability in the Component Download page. The download/import handler used unsafe command construction with attacker-controlled input and lacked sufficient validation and output encoding, allowing an authenticated user to inject commands or otherwise execute arbitrary code with the privileges of the application service.

Affected products

• Nagios Nagios XI: before 5.4.13 (fixed in 5.4.13)

Published 2025-10-30. Last modified 2026-06-17.