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Vulnerability record · CVE-2025-60424 · published 27 October 2025

CVE-2025-60424: Nagios fusion improper authentication vulnerability

Nagios · Fusion

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.

7.6 CVSS 3.1 High EPSS 0.67% · top 49.9% CWE-287 · Improper authenticationCWE-307 · Improper restriction of authentication attempts
7.6CVSS 3.1 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/aakashtyal/2FA-Bypass-using-a-Brute-Force-Attack MitigationThird Party Advisory
https://github.com/aakashtyal/2FA-Bypass-using-a-Brute-Force-Attack-CVE-2025-60424 MitigationThird Party Advisory
https://www.nagios.com/changelog/#fusion Release Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-28907Nagios fusion improper certificate validation vulnerabilityIncorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Privileges or Code Execution as root via vectors rel…EPSS 3.4%9.8CVE-2020-28908Nagios fusion command injection vulnerabilityCommand Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to nagios.EPSS 5.7%9.8CVE-2020-28900Nagios fusion insufficient verification of data authenticity vulnerabilityInsufficient Verification of Data Authenticity in Nagios Fusion 4.1.8 and earlier and Nagios XI 5.7.5 and earlier allows for Escalation of Privileges…EPSS 2.4%9.8CVE-2020-28901Nagios fusion command injection vulnerabilityCommand Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Execution as root via vectors related to corrupt compone…EPSS 9.1%9.8CVE-2020-28902Nagios fusion command injection vulnerabilityCommand Injection in Nagios Fusion 4.1.8 and earlier allows Privilege Escalation from apache to root in cmd_subsys.php.EPSS 6.4%9.8CVE-2020-28904Nagios fusion improper privilege management vulnerabilityExecution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious co…EPSS 3.6%8.8CVE-2020-28906Nagios fusion incorrect default permissions vulnerabilityIncorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged…EPSS 4.7%8.8CVE-2020-28909Nagios fusion incorrect permission assignment vulnerabilityIncorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root via modification of scripts. Low-privileges use…EPSS 5.1%

Source: NIST National Vulnerability Database (record CVE-2025-60424), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.