BEA WebLogic 5.1.x allows remote attackers to read source code for parsed pages by inserting /*.shtml/ into the URL, which invokes the SSIServlet.
http://www.securityfocus.com/bid/1517
http://developer.bea.com/alerts/security_000728.html
http://archives.neohapsis.com/archives/bugtraq/2000-07/0410.html