CVE-2025-64996: 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…
CVE-2025-64996 · Severity: medium · CVSS 4.4 · Published 2025-11-18
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-64996 being exploited in the wild.
How severe is CVE-2025-64996?
Medium severity, with a CVSS score of 4.4, published 18 November 2025.
Which products and versions are affected?
Checkmk. The advisory does not name versions.
Is there a fix for CVE-2025-64996?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-64996?
Check whether you run Checkmk. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.