servlet/MIMEReceiveServlet in the web controller for Mitsubishi Electric GB-50 and GB-50A air-conditioning control systems allows remote attackers to cause a denial of service (air-conditioning outage) via an XML document containing a setRequest command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41503
http://www.securityfocus.com/bid/28406
http://www.securityfocus.com/archive/1/489970/100/0/threaded
http://www.securityfocus.com/archive/1/483862/2008-03-21/threaded