A security flaw has been detected in Mac operating systems, High Sierra 10.13 or greater. This vulnerability allows anyone to login to a Mac device and change administrative settings by typing in the username “root” with no password more details can be found in the links provided.
Systems at Risk
Currently, this vulnerability is only detected in users with a Mac operating system that has been upgraded to High Sierra 10.13 or greater.
Systems with local console access, such as shared usage computers in teaching or lab environments, where users of shared computers are not privileged with root access.