Dell EMC Unity Operating Environment versions prior to, Dell EMC UnityVSA versions prior to and Dell EMC VNXe3200 versions prior to contain a reflected cross-site scripting vulnerability on the cas/logout page. A remote unauthenticated attacker could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or Java Script code to Unisphere, which is then reflected back to the victim and executed by the web browser.