Acresso InstallShield Update Agent does not properly verify the authenticity of Rule Scripts obtained from GetRules.asp web pages on FLEXnet Connect servers, which allows remote man-in-the-middle attackers to execute arbitrary VBScript code via Trojan horse Rules.

Insecure method vulnerability in the MVSNCLientWebAgent61.WebAgent.1 ActiveX control (isusweb.dll 6.1.100.61372) in Macrovision FLEXnet Connect 6.1 allows remote attackers to force the download and execution of arbitrary files via the DownloadAndExecute method.

Insecure method vulnerability in the MSVNClientDownloadManager61Lib.DownloadManager.1 ActiveX control (ISDM.exe 6.1.100.61372) in Macrovision FLEXnet Connect 6.1 allows remote attackers to force the download and execution of arbitrary files via the AddFile and RunScheduledJobs methods. NOTE: this could be leveraged for code execution by uploading executable files to Startup folders.