Icinga icinga2 up to 2.13.12/2.14.6/2.15.0 API Endpoint null pointer dereference

Summaryinfo

A vulnerability classified as problematic was found in Icinga icinga2 up to 2.13.12/2.14.6/2.15.0. This issue affects some unknown processing of the component API Endpoint. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2025-61908. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Icinga icinga2 up to 2.13.12/2.14.6/2.15.0. Affected is an unknown function of the component API Endpoint. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-61908 since 10/04/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 270722 (Linux Distros Unpatched Vulnerability : CVE-2025-61908), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.13.13, 2.14.7 or 2.15.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (270722). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Icinga

Name

• icinga2

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.13.0
• 2.13.1
• 2.13.2
• 2.13.3
• 2.13.4
• 2.13.5
• 2.13.6
• 2.13.7
• 2.13.8
• 2.13.9
• 2.13.10
• 2.13.11
• 2.13.12
• 2.14
• 2.14.0
• 2.14.1
• 2.14.2
• 2.14.3
• 2.14.4
• 2.14.5
• 2.14.6
• 2.15.0

Website

• Product: https://github.com/Icinga/icinga2/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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