A buffer overflow vulnerability exists in Programming Software executable AlTracePrint.exe, in Schneider Electric's SoMachine HVAC v2.1.0 for Modicon M171/M172 Controller.

An unspecified ActiveX control in Schneider Electric SoMachine HVAC Programming Software for M171/M172 Controllers before 2.1.0 allows remote attackers to execute arbitrary code via unknown vectors, related to the INTERFACESAFE_FOR_UNTRUSTED_CALLER (aka safe for scripting) flag.

A CWE-787: Out-of-bounds Write vulnerability exists that could cause sensitive information leakage when accessing a malicious web page from the commissioning software. Affected Products: SoMachine HVAC (Versions prior to V2.1.0), EcoStruxure Machine Expert – HVAC (Versions prior to V1.4.0)

A CWE-426: Untrusted Search Path vulnerability exists in SoMachine HVAC v2.4.1 and earlier versions, which could cause arbitrary code execution on the system running SoMachine HVAC when a malicious DLL library is loaded by the product.