The host is running BisonFTP Server and is prone to multiple buffer overflow vulnerabilities.
Successful exploitation will allow remote attackers to execute arbitrary code on the system or cause the application to crash. Impact Level: System/Application
Upgrade to BisonFTP Server Version 4.1 or higher.
The flaws are due to an error while processing the 'USER', 'LIST', 'CWD' multiple commands, which can be exploited to cause a buffer overflow by sending a command with specially-crafted an overly long parameter.
BisonFTP Server prior to version 4.1