Almost two-dozen car brands were affected by the flaws, including top brands such as BMW, Roll Royce, Mercedes-Benz, Ferrari, Porsche, Jaguar, Land Rover, Ford, KIA, Honda, Infiniti, Nissan, Acura, Hyundai, Toyota, and Genesis.Besides car manufacturers, car technology makers Spireon and Reviver were also impacted, as well as streaming service providers, SiriusXM.BMW and Mercedes-Benz have had a flawed Single-Sign-On (SSO) feature that allowed threat actors to access internal systems, giving them access to GitHub instances, private chats, servers, AWS instances, and more.> Bizarre SiriusXM code flaw accused of unlocking smart vehicles> Ford and Volkswagen smart cars may come with some major security risks> Here's our list of the best firewalls right now (opens in new tab)> Ford and Volkswagen smart cars may come with some major security risks> Here's our list of the best firewalls right now (opens in new tab)Besides the two major brands, owners of KIA, Honda, Infiniti, Nissan, Acura, Mercedes-Benz, Hyundai, Genesis, BMW, Roll Royce, Ferrari, Ford, Porsche, and Toyota cars, could have had their personally identifiable information (PII) leaked.GPS vehicle tracking provider Spireon, allegedly used in more than 15 million vehicles, carried a flaw which, among other things, allowed for threat actors to unlock the cars, start the engine, or disable the starter."