The vulnerability of microprogrammed software for programmable logic controllers ABB FBXi, FBVi, FBTi, and CBXi lies in the lack of origin verification in WebSockets. This allows attackers to circumvent security restrictions and gain unauthorized access to protected information.

The vulnerability of microprogrammed programmable logic controllers ABB FBXi, FBVi, FBTi, and CBXi is related to the lack of origin verification in WebSockets. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and gain unauthorized access to protected...