The vulnerability of the microprogramming software for the SIMATIC CP 442-1 RNA and SIMATIC CP 443-1 RNA communication modules, related to uncontrolled resource consumption, allows attackers to execute an “ARP storm” attack and cause service failure.

The vulnerability of the microprogramming software for the SIMATIC CP 442-1 RNA and SIMATIC CP 443-1 RNA communication modules is related to an uncontrolled consumption of resources during the processing of ARP requests. Exploiting this vulnerability can allow attackers to execute an “ARP storm”...