CVE-2024-13994: Nagios XI

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Nagios XI versions prior to 2024R1.1.2 contain a missing authorization control when the 'Allow Insecure Logins' option is enabled. Under this configuration, any user can create valid login credentials for other users without proper authorization. This can lead to unauthorized account creation, privilege escalation, or full compromise of the Nagios XI web interface depending on the target account.

Affected products

  • Nagios Nagios XI: before 2024 (fixed in 2024); version 2024 only

Published 2025-10-30. Last modified 2026-10-02.