Fusion: Public cloneable() Method Without Final
CVE-2025-60425 is a high-severity public cloneable() method without final vulnerability in Fusion from Nagios, with a CVSS 3.1 base score of 8.6 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Fusion versions: 2024. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.98% chance of exploitation within 30 days, higher than 63% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Fusion you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- LowSome restricted data can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- LowPerformance or availability is reduced.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L. Scored by CISA (ADP).
Official description
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.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Public cloneable() Method Without Final
A class has a cloneable() method that is not declared final, which allows an object to be created without calling the constructor. This can cause the object to be in an unexpected state.
More Public cloneable() Method Without Final vulnerabilities (CWE-491)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- github.com/aakashtyal/Session-Persistence-After-Enabling-2FAMitigation, Third Party Advisory
- github.com/aakashtyal/Session-Persistence-After-Enabling-2FA-CVE-2025-60425Mitigation, Third Party Advisory
- nagios.com/changelog/#fusionRelease Notes
Other vulnerabilities in Fusion
- 7.6 High severity
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