How likely it is that a (MySQL) client leaks credentials when VPN tunnel was not set previously?

Context

I work on a very common case. I configured two servers: an OpenVPN and a MySQL (172.16.X.X) server hidden behind it.
Let’s assume everything is perfectly configured and patched server side.

Note:

MySQL server has… Continue reading How likely it is that a (MySQL) client leaks credentials when VPN tunnel was not set previously?