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.
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.