Describe CVE-2012-4709.
What is CVE-2012-4709?
Invensys Wonderware InTouch HMI 2012 R2 and earlier allows remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue..