CVE-2020-24685

An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.

An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.

Un paquete no autenticado especialmente diseñado y enviado por un atacante a través de la red causará una vulnerabilidad de denegación de servicio (DoS). Una vulnerabilidad permite a un atacante detener el PLC. Después de detenerse (LED ERR parpadeando en rojo), es requerido acceso físico al PLC para reiniciar la aplicación. Este problema afecta a: Productos ABB AC500 V2 con Ethernet integrado versión 2.8.4 d y anteriores