The default configuration of NewAtlanta ServletExec ISAPI 4.1 allows remote attackers to determine the path of the web root via a direct request to com.newatlanta.servletexec.JSP10Servlet without a filename, which leaks the pathname in an error message.
http://www.securityfocus.com/bid/4793
http://www.newatlanta.com/do/findFaq?faq_id=151
http://www.iss.net/security_center/static/9139.php
http://online.securityfocus.com/archive/1/273615
http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0077.html