Unspecified vulnerability in Hitachi Web Page Generator and Web Page Generator Enterprise 4.01 and earlier allows remote attackers to cause a denial of service via unknown attack vectors when a web site is "improperly accessed."
https://exchange.xforce.ibmcloud.com/vulnerabilities/16821
http://www.securityfocus.com/bid/10817
http://www.hitachi-support.com/security_e/vuls_e/HS04-002_e/index-e.html