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.
https://github.com/aakashtyal/Session-Persistence-After-Enabling-2FA-CVE-2025-60425
https://github.com/aakashtyal/Session-Persistence-After-Enabling-2FA
https://www.nagios.com/changelog/#fusion
Source: Mitre, NVD
Published: 2025-10-27
Updated: 2025-11-05
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:C/A:P
Severity: High
Base Score: 8.6
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
EPSS: 0.00081