CVE-2021-37348: Nagios XI

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

Nagios XI before version 5.8.5 is vulnerable to local file inclusion through improper limitation of a pathname in index.php.

Affected products

• Nagios Nagios XI: before 5.8.5 (fixed in 5.8.5)

Published 2021-08-13. Last modified 2026-06-17.