Setracker2 Android Companion App com.tgelec.setracker versions 3.1.5 and prior only require the password hash when authenticating with backend services from the client. This could allow an attacker, who knows the hash, to authenticate and gain full access.
Credits
Huancheng Hu of Hasso Plattner Institute reported these vulnerabilities to CISA, with support from Prof. Christian Doerr.