
CVE catalog
CVE-2025-64999
UBUNTU-CVE-2025-64999
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.17% · Oct 27, 2026
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | check-mk | pro | 1.2.6p5-1 | vulnerable |
| Ubuntu | check-mk | pro | 1.2.6p12-1 | vulnerable |
| Ubuntu | check-mk | pro | 1.2.6p12-1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | check-mk | pro | 1.2.6p12-1ubuntu0.16.04.1+esm1 | vulnerable |
| Ubuntu | check-mk | 18.04 | 1.2.8p16-1ubuntu0.1 | vulnerable |
| Ubuntu | check-mk | 18.04 | 1.2.8p16-1ubuntu0.2 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: