CVE-2025-58126 Lack of TLS validation in plugin VMware vSAN on Checkmk Exchange

Medium 6.9 Published Updated

Attackers in a Man-in-the-Middle position can intercept traffic due to missing TLS validation in the Checkmk VMware vSAN plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-58126?

CVE-2025-58126 is a medium-severity vulnerability in tomtretbar:vmware_vsan, published on 28 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Certificate Validation in Checkmk Exchange plugin VMware vSAN allows attackers in MitM position to intercept traffic.

Weakness: CWE-295

Which versions are affected by CVE-2025-58126?

It affects 1 product.

Products include Tomtretbar Vmware Vsan.

How do I fix CVE-2025-58126?

No fix has been published for CVE-2025-58126 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-58126 being exploited?

There is no known exploitation of CVE-2025-58126 in the wild and no public exploit code.

Sources

Also known as GHSA-c8gv-x3r9-q7p4.

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