CVE-2025-39663
BaseFortify
Publication date: 2025-10-30
Last updated on: 2025-12-03
Assigner: Checkmk GmbH
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | From 2.0.0 (inc) to 2.3.0 (exc) |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
| CWE-80 | The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cross-Site Scripting (XSS) issue in Checkmk's distributed monitoring system. It allows a compromised remote site to inject malicious HTML code into the service outputs displayed on the central monitoring site. This means that an attacker controlling a remote site can cause harmful scripts to run in the context of the central site’s web interface.
How can this vulnerability impact me? :
The impact of this vulnerability includes the potential execution of malicious scripts within the central monitoring site’s interface. This can lead to unauthorized actions, data theft, session hijacking, or other malicious activities performed by the attacker through the injected code. It compromises the integrity and security of the monitoring system.