Title is misleading. No "hijacking" is taking place, they are obtaining the Cell ID (approximate location) and IMEI info from the phone, by sending it a malicious SMS containing SIM card instructions.
Details; https://www.adaptivemobile.com/blog/simjacker-next-generatio...
A better title IMHO;
SIM Vulnerability leads to information disclosure via malicious SMS.
A better title IMHO; SIM Vulnerability leads to information disclosure via malicious SMS.