Intel McAfee ePolicy Orchestrator (ePO) 4.6.9 and earlier, 5.0.x, 5.1.x before 5.1.3 Hotfix 1106041, and 5.3.x before 5.3.1 Hotfix 1106041 allow remote attackers to execute arbitrary code via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.