Auth bypass in Nagios Fusion

CVE-2025-60424

A lack of rate limiting in the OTP verification component of Nagios Fusion v2024R1.2 and v2024R2 allows attackers to bypass authentication via a bruteforce attack.

Vulnerability class: Broken Authentication

EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-60424?
CVE-2025-60424 is a high-severity vulnerability in Nagios Fusion, classified under Improper Authentication. CVSS score: 7.6/10. Published 2025-10-27.
How severe is CVE-2025-60424?
High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2025-60424 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.