HOMEVULNERABILITIESCVE-2025-61908
MEDIUM

CVE-2025-61908

CWE-476Published: October 16, 2025· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-61908 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

icinga1 product(s)
icinga
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://github.com/Icinga/icinga2/pull/6521
PATCHhttps://github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43g

All References (3)

→
https://github.com/Icinga/icinga2/pull/6521Patch
→
https://github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43gPatch · Vendor Advisory
→
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-1-1-4Release Notes

Quick Facts

CVE IDCVE-2025-61908
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected1 vendor(s)
PublishedOct 16, 2025

Related CVEs (CWE-476)

CVE-2022-36648
10.0
CVE-2010-2495
10.0
CVE-2017-11125
9.8
CVE-2016-3821
9.8
CVE-2017-11124
9.8
CVE-2017-3169
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-61908 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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