CVE-2023-3028 (mqtt)

Insufficient authentication in the MQTT backend (broker) allows an attacker to access and even manipulate the telemetry data of the entire fleet of vehicles using the HopeChart HQT-401 telematics unit. Other models are possibly affected too.








Multiple vulnerabilities were identified:



- The MQTT backend does not require authentication, allowing unauthorized connections from an attacker.



- The vehicles publish their telemetry data (e.g. GPS Location, speed, odometer, fuel, etc) as messages in public topics. The backend also sends commands to the …

access authentication backend connections cve data fleet mqtt telematics telemetry vehicles vulnerabilities