If you are seeing "exploit" scripts for version 8.48 online, they are likely or malware targeting script kiddies. The most significant event for that specific version was the fix for the rare startup crash .
Vulnerable versions of Bitvise SSH Server (including 8.48 and prior versions up to 9.31).
: In version 8.48, file transfer failures during SCP uploads could cause the subsystem to abort abruptly rather than reporting an error, potentially disrupting logs or automation.
It is essential to note that exploiting this vulnerability can lead to unauthorized access to the server, and users should take immediate action to patch their installations.