The administration module in Sun Java web server allows remote attackers to execute arbitrary commands by uploading Java code to the module and invoke the com.sun.server.http.pagecompile.jsp92.JspServlet by requesting a URL that begins with a /servlet/ tag.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5135
http://www.securityfocus.com/bid/1600
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/197&type=0&nav=sec.sba