The web handler for Perl 5.003 on Novell NetWare 5.1 and NetWare 6 allows remote attackers to execute arbitrary Perl code via an HTTP POST request.
http://www.iss.net/security_center/static/9916.php
http://support.novell.com/servlet/tidfinder/2963307
http://archives.neohapsis.com/archives/bugtraq/2002-08/0202.html