Missing Authentication for Critical Function vulnerability in the mobile monitoring feature of Mitsubishi Electric GENESIS64 versions 10.97.2 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.2 and prior, Mitsubishi Electric Hyper Historian versions 10.97.2 and prior, Mitsubishi Electric AnalytiX versions 10.97.2 and prior, Mitsubishi Electric MobileHMI versions 10.97.2 and prior, Mitsubishi Electric IoTWorX version 10.95, Mitsubishi Electric MC Works64 all versions, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.2 and prior, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97.2 and prior, Mitsubishi Electric Iconics Digital Solutions Hyper Historian versions 10.97.2 and prior, Mitsubishi Electric Iconics Digital Solutions AnalytiX versions 10.97.2 and prior, Mitsubishi Electric Iconics Digital Solutions MobileHMI versions 10.97.2 and prior, and Mitsubishi Electric Iconics Digital Solutions IoTWorX version 10.95 allows a remote unauthenticated attacker to bypass proper authentication and log in to the system when all of the following conditions are met: (1) Active Directory is used in the security setting (2) "Automatic log in" option is enabled in the security setting (3) The IcoAnyGlass IIS Application Pool is running under an Active Directory Domain Account. (4) The IcoAnyGlass IIS Application Pool account is included in GENESIS64, ICONCIS Suite, and MC Works64 Security and has permission to log in.