CVE-2021-22779

https://notcve.org/view.php?id=CVE-2021-22779

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert (all versions prior to V15.0 SP1, including all versions of Unity Pro), EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert (all versions, including all versions of EcoStruxure Hybrid DCS), SCADAPack RemoteConnect for x70 (all versions), Modicon M580 CPU (all versions - part numbers BMEP* and BMEH*), Modicon M340 CPU (all versions - part numbers BMXP34*), that could cause unauthorized access in read and write mode to the controller by spoofing the Modbus communication between the engineering software and the controller. Se presenta una vulnerabilidad de Omisión de Autenticación por Spoofing en EcoStruxure Control Expert (todas las versiones anteriores a V15.0 SP1, incluyendo todas las versiones de Unity Pro), EcoStruxure Control Expert versión V15.0 SP1, EcoStruxure Process Expert (todas las versiones, incluyendo todas las versiones de EcoStruxure Hybrid DCS), SCADAPack RemoteConnect for x70 (todas las versiones), Modicon M580 CPU (todas las versiones - números de parte BMEP* y BMEH*), Modicon M340 CPU (todas las versiones - números de parte BMXP34*), que podría causar un acceso no autorizado en modo de lectura y escritura al controlador mediante el spoofing de la comunicación Modbus entre el software de ingeniería y el controlador • http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-01 • CWE-290: Authentication Bypass by Spoofing •