What is CVE-2025-64997?

CVE-2025-64997 is a medium-severity vulnerability in Checkmk, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 6.5/10. Published 2025-12-18.

How severe is CVE-2025-64997?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Checkmk

CVE-2025-64997

Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information disclosure.

EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Checkmk — versions 2.2.0, 2.3.0, 2.4.0
Checkmk Gmbh — versions 2.4.0, 2.3.0

Weakness classification (CWE)

CWE-280 — Improper Handling of Insufficient Permissions or Privileges

References

security@checkmk.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-64997?: CVE-2025-64997 is a medium-severity vulnerability in Checkmk, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 6.5/10. Published 2025-12-18.
How severe is CVE-2025-64997?: Medium severity. CVSS v3 base score is 6.5 out of 10.