CVE-2025-64996

MEDIUM

Published Nov 18, 2025 Modified Nov 24, 2025 CWE-732

Description

In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.

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CVSS v3.1 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-732 CWE-732

Affected Products

Vendor	Product	Versions
checkmk	checkmk	< 2.3.0
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All
checkmk	checkmk	All

References

Advisories & Patches

https://checkmk.com/werk/18570

Frequently Asked Questions

What is CVE-2025-64996? +

How severe is CVE-2025-64996? +

CVE-2025-64996 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-64996? +

CVE-2025-64996 affects products from checkmk, specifically: checkmk. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64996? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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