The Altiris eXpress NS SC Download ActiveX control in AeXNSPkgDLLib.dll, as used in Symantec Altiris Deployment Solution 6.9.x, Notification Server 6.0.x, and Symantec Management Platform 7.0.x exposes an unsafe method, which allows remote attackers to force the download of arbitrary files and possibly execute arbitrary code via the DownloadAndInstall method.