The management console in Symantec Endpoint Protection Manager (SEPM) 11.0 before 11.0.7405.1424 and 12.1 before 12.1.4023.4080, and Symantec Protection Center Small Business Edition 12.x before 12.1.4023.4080, allows remote attackers to read arbitrary files via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.