CVE-2002-2365
Simple WAIS (SWAIS) 1.11 allows remote attackers to execute arbitrary commands via the shell metacharacters in the search field, as demonstrated using the "|" (pipe) character.
Date published : 2007-10-31
http://www.securityfocus.com/bid/5127
http://archives.neohapsis.com/archives/bugtraq/2002-06/0390.html