Medium severity · published Oct 16, 2025
CVE-2025-61908
Icinga 2 is an open source monitoring system
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14.7, and 2.13.13, when creating an invalid reference, such as a reference to null, dereferencing results in a segmentation fault. This can be used by any API user with access to an API endpoint that allows specifying a filter expression to crash the Icinga 2 daemon. A fix is included in the following Icinga 2 versions: 2.15.1, 2.14.7, and 2.13.13.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
Icinga · Icinga
2.10.0 before 2.13.13; 2.14.0 before 2.14.7; 2.15.0 before 2.15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-61908
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-61908
Patch
https://github.com/Icinga/icinga2/pull/6521
Patch
https://github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43g
Release Notes
https://icinga.com/blog/releasing-icinga-2-v2-15-1-2-14-7-and-2-13-13-and-icinga-db-web-v1-2-3-and-1-1-4
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