Filezilla Server 0.9.60 Beta Exploit Github Exclusive -

Earlier versions used predictable serial numbers for TLS certificates. Version 0.9.60 introduced randomized serial numbers to prevent certain types of certificate spoofing attacks.

import socket import sys

Legacy versions of FileZilla Server (including the 0.9.x branch) are susceptible to several known classes of attacks: Version history - FileZilla filezilla server 0.9.60 beta exploit github

A commonly referenced repository: