A vendor-neutral vulnerability affecting the CAN Bus standard can have dangerous and even fatal consequences for smart car owners. The flaw isnt a vulnerability in the traditional sense of the term. Its an insecure design choice within the Controller Area Network (CAN) Bus. The standard specifies how various systems built into most connected cars communicate with one another. It’s impossible to analyze a message and determine whether the issuing device is faulty or has been compromised.”]
Source: https://grahamcluley.com/vendor-neutral-smart-car-bug-dangerous-even-fatal-consequences/