---
id: CVE-2025-64997
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-280
vendor: checkmk
product: checkmk
affected:
  - checkmk = 2.2.0
  - checkmk = 2.3.0
  - checkmk = 2.4.0
published: '2025-12-18'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T11:10:00.203'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-64997'
references:
  - url: 'https://checkmk.com/werk/18681'
    label: security@checkmk.com
tags:
  - nvd
epss: 0.00243
epssPercentile: 0.14279
ingestedAt: '2026-10-13T11:23:51.132Z'
---

## Overview

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.

## Affected

- `checkmk = 2.2.0`
- `checkmk = 2.3.0`
- `checkmk = 2.4.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.