Format string vulnerability in Ipswitch WS_FTP Home 2007.0.0.2 and WS_FTP Professional 2007.1.0.0 allows remote FTP servers to cause a denial of service (application crash) or possibly execute arbitrary code via format string specifiers in a connection greeting (response).

Format string vulnerability in the SCP module in Ipswitch WS_FTP 2007 Professional might allow remote attackers to execute arbitrary commands via format string specifiers in the filename, related to the SHELL WS_FTP script command.

Buffer overflow in wsbho2k0.dll, as used by wsftpurl.exe, in Ipswitch WS_FTP 2007 Professional allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long ftp:// URL in an HTML document, and possibly other vectors.

Buffer overflow in WS_FTP Pro 7.5 allows remote attackers to execute code on a client system via unknown attack vectors.

Ipswitch WS_FTP Server 4.0.2 has a backdoor XXSESS_MGRYY username with a default password, which allows remote attackers to gain access.

WS_FTP Pro 6.0 uses weak encryption for passwords in its initialization files, which allows remote attackers to easily decrypt the passwords and gain privileges.