Nagios Fusion v2024R1.2 and v2024R2 does not invalidate already existing session tokens when the two-factor authentication mechanism is enabled, allowing attackers to perform a session hijacking attack.
Conclusion & alert: CVE-2025-60425 is rated Moderate Risk (64.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.04%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-23 | 1.51% | 2.04% | +0.53% |
| 2 | 2026-04-06 | 1.00% | 1.51% | +0.50% |
| 3 | 2026-03-25 | — | 1.00% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.6 | 3.1 | HIGH |
|
3.9 | 4.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://github.com/aakashtyal/Session-Persistence-After-Enabling-2FA | Mitigation Third Party Advisory |
| https://github.com/aakashtyal/Session-Persistence-After-Enabling-2FA-CVE-2025-60425 | Mitigation Third Party Advisory |
| https://www.nagios.com/changelog/#fusion | Release Notes |