CVE-2025-43918 Business logic in SSL.com

Medium 6.4 Published Updated

Attackers can obtain trusted TLS certificates for domains they do not control by exploiting a flaw in SSL.com's domain validation logic.

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

What is CVE-2025-43918?

CVE-2025-43918 is a medium-severity vulnerability in SSL.com, published on 19 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SSL.com before 2025-04-19, when domain validation method 3.2.2.4.14 is used, processes certificate requests such that a trusted TLS certificate may be issued for the domain name of a requester's email address, even when the requester does not otherwise establish administrative control of that domain.

Weakness: CWE-348

Which versions are affected by CVE-2025-43918?

How do I fix CVE-2025-43918?

No fix has been published for CVE-2025-43918 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-43918 being exploited?

There is no known exploitation of CVE-2025-43918 in the wild and no public exploit code.

Sources

Also known as GHSA-6294-g9w5-7vm5.

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