Attackers use scanning tools to identify open SSH ports (default port 22) and pull the version banner. A standard response might leak the exact software and version: SSH-2.0-Bitvise_SSH_Server_8.48 Execution of Denial of Service (DoS)
: Version 8.48 included fixes for a bug where the file transfer subsystem could abort abruptly during SCP uploads if a file write failed. While not a "remote code execution" exploit, such crashes can be leveraged for Denial of Service (DoS) attacks. 3. Legacy Vulnerabilities in SSH Implementations bitvise winsshd 8.48 exploit