CVE-2025-58123 Lack of TLS validation in plugin BGP Monitoring on Checkmk Exchange

Medium 6.9 Published Updated

Attackers can intercept traffic via Man-in-the-Middle attacks due to missing TLS validation in the Checkmk BGP Monitoring 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-2025-58123?

CVE-2025-58123 is a medium-severity vulnerability in oetiker:bgp_monitoring, 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 BGP Monitoring allows attackers in MitM position to intercept traffic.

Weakness: CWE-295

Which versions are affected by CVE-2025-58123?

It affects 1 product.

Products include Oetiker Bgp Monitoring.

How do I fix CVE-2025-58123?

No fix has been published for CVE-2025-58123 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-58123 being exploited?

There is no known exploitation of CVE-2025-58123 in the wild and no public exploit code.

Sources

Also known as GHSA-hg39-jwrc-32x5.

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