Which versions of Check Mk Python Api are affected by CVE-2025-58124?

Organizations using Improper Certificate Validation in Checkmk Exchange plugin check-mk-api should be aware of notable risk from CVE-2025-58124 rated CVSS 6.9.

How to fix or mitigate CVE-2025-58124?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Check Mk Python Api CVE-2025-58124

Q: What is the CVSS score of CVE-2025-58124?

CVE-2025-58124 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

MEDIUM

Improper Certificate Validation (CWE-295)

2025-08-28 security@checkmk.com

Microsoft Information Disclosure Check Mk Python Api

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 28, 2025 - 13:16 nvd

MEDIUM 6.9

DescriptionCVE.org

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

AnalysisAI

Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic. Affected products include: Heinlein-Support Check Mk Python Api.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-58124 vulnerability details – vuln.today

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