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.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.4, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 1 product from checkmk organizations running these solutions should prioritize assessment and patching.
Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2025-11-18T16:15:46.563
2025-11-24T14:13:26.960
Analyzed
CVSSv3.1: 4.4 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | checkmk | checkmk | < 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.3.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
| Application | checkmk | checkmk | 2.4.0 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For checkmk's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.