Vulnerability in Heinlein-Support Check Mk Python API

CVE-2025-58124

Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic.

Vulnerability class: Improper Certificate Validation

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-58124?
CVE-2025-58124 is a medium-severity vulnerability in Heinlein-Support Check Mk Python API, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2025-08-28.
How severe is CVE-2025-58124?
Medium severity. CVSS v3 base score is 4.8 out of 10.