Buffer overflow in RobotFTP 1.0 and 2.0 beta 1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long username.

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

Maximum Rumpus FTP Server 2.0.3 dev and before allows an attacker to cause a denial of service (crash) via a mkdir command that specifies a large number of sub-folders.

Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 allows a remote attacker to perform a denial of service (hang) by creating a directory name of a specific length.

Buffer overflows in WS_FTP 2.02 allow remote attackers to execute arbitrary code via long arguments to (1) DELE, (2) MDTM, (3) MLST, (4) MKD, (5) RMD, (6) RNFR, (7) RNTO, (8) SIZE, (9) STAT, (10) XMKD, or (11) XRMD.

Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows attackers to read file attributes outside of the web root via the (1) SIZE and (2) MDTM commands when the "show relative paths" option is not enabled.

Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows remote attackers to obtain NETBIOS credentials by requesting information on a file that is in a network share, which causes the server to send the credentials to the host that owns the share, and allows the attacker to sniff the connection.

FaSTream FTP++ Server 2.0 allows remote attackers to list arbitrary directories by using the "ls" command and including the drive letter name (e.g. C:) in the requested pathname.

FaSTream FTP++ Server 2.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long username.

FaSTream FTP++ Server 2.0 allows remote attackers to obtain the real pathname of the server via the "pwd" command.