softbusclientstub in communication subsystem within OpenHarmony-v3.0.5 and prior versions has an authentication bypass vulnerability which allows an "SA relay attack".Local attackers can bypass authentication and attack other SAs with high privilege.

platformcallbackstub in misc subsystem within OpenHarmony-v3.0.5 and prior versions has an authentication bypass vulnerability which allows an "SA relay attack".Local attackers can bypass authentication and attack other SAs with high privilege.

OpenHarmony-v3.1.2 and prior versions have an incorrect configuration of the cJSON library, which leads a Stack overflow vulnerability during recursive parsing. LAN attackers can lead a DoS attack to all network devices.

OpenHarmony-v3.1.2 and prior versions have a heap overflow vulnerability. Local attackers can trigger a heap overflow and get network sensitive information.