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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Nagios Fusion — versions 2024
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/aakashtyal/2FA-Bypass-using-a-Brute-Force-Attack (Third Party Advisory, Mitigation)
- www.nagios.com/changelog/ (Release Notes)
- github.com/aakashtyal/2FA-Bypass-using-a-Brute-Force-Attack-CVE-2025-60424 (Third Party Advisory, Mitigation)
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.