What’s Vulnerable › Vulnerabilities

CVE-2024-13994: Nagios XI < 2024R1.1.2 Allow Insecure Logins Missing Authorization

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-30 · updated 2026-10-02
• Weakness: CWE-862

Description

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 XI: before 2024; 2024-r1, 2024-r1.0.1, 2024-r1.0.2, 2024-r1.1, 2024-r1.1.1 — fixed in 2024

How to fix

Upgrade to a fixed version: Nagios XI 2024. Check the vendor advisory for mitigations.

References

• https://www.nagios.com/changelog/nagios-xi/
• https://www.nagios.com/products/security/#nagios-xi
• https://www.vulncheck.com/advisories/nagios-xi-allow-insecure-logins-missing-authorization

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