CGIscript.net csMailto.cgi allows remote attackers to execute arbitrary commands via shell metacharacters in the form-attachment field.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-0741
http://www.securityfocus.com/bid/4579
http://www.iss.net/security_center/static/8930.php
http://archives.neohapsis.com/archives/bugtraq/2002-04/0326.html