CVE-2025-61908
CVE-2025-61908 is a medium-severity vulnerability in Icinga with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v4: 7.1
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-34793
- Weakness: CWE-476
- Affected product: Icinga
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-61908?
- 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.
- How severe is CVE-2025-61908?
- CVE-2025-61908 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-61908 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-61908?
- CVE-2025-61908 affects Icinga. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-61908?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-61908 have an EU (EUVD) identifier?
- Yes. CVE-2025-61908 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34793.
- When was CVE-2025-61908 published?
- CVE-2025-61908 was published on 2025-10-16 and last updated on 2026-06-17.
References
- https://github.com/Icinga/icinga2/pull/6521
- https://github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43g
- 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
Affected products (1)
- cpe:2.3:a:icinga:icinga:*:*:*:*:*:*:*:*
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