Multiple unspecified "input validation" vulnerabilities in the Web management interface (aka Messaging Administration interface) in Avaya Message Storage Server (MSS) 3.x and 4.0, and possibly Communication Manager 3.1.x, allow remote authenticated administrators to execute arbitrary commands as user vexvm via vectors related to (1) SFTP Remote Store configuration; (2) remote FTP storage settings; (3) name server lookup; (4) pinging another host; (5) TCP/IP Networking parameter configuration; (6) the external hosts configuration main page; (7) adding and changing external hosts; (8) Windows domain parameter configuration; (9) date, time, and NTP server configuration; (10) alarm settings; (11) the command line history form; (12) the maintenance form; and (13) the server events form.