CVE-2020-37067 affects Filetto 1.0 FTP server, containing a denial of service vulnerability in the FEAT command processing. Attackers can exploit this by sending an oversized FEAT command with 11,008 bytes of repeated characters, triggering a buffer overflow that crashes the FTP service. This is a classic buffer overflow vulnerability that allows remote attackers to terminate the service availability. The vulnerability has been documented with proof-of-concept exploits available on Exploit-DB. The issue affects the command processing functionality of the FTP server, making it susceptible to denial of service attacks through malformed FEAT commands.