Platform
other
Component
syrus4-iot-telematics-gateway
Fixed in
23.43.3
CVE-2023-6248 is a critical Remote Code Execution (RCE) vulnerability discovered in the Syrus4 IoT Telematics Gateway. This vulnerability allows an unauthenticated, remote attacker to execute arbitrary commands on affected devices, potentially leading to complete system compromise and data exfiltration. The vulnerability impacts versions apex-23.43.2 through apex-23.43.2 and has been addressed in version 23.43.3.
The impact of CVE-2023-6248 is severe. An attacker exploiting this vulnerability can gain complete control over the Syrus4 IoT Telematics Gateway, enabling them to execute arbitrary code with the privileges of the MQTT server process. This allows for a wide range of malicious activities, including data theft (location, video, diagnostic data), manipulation of vehicle systems via CAN bus messages, and potentially using the compromised gateway as a pivot point to attack other devices on the network. The unsecured MQTT server, accessible without authentication, significantly lowers the barrier to entry for attackers. The ability to send CAN bus messages poses a direct threat to vehicle safety and operation.
CVE-2023-6248 was publicly disclosed on November 21, 2023. While no active exploitation campaigns have been publicly confirmed, the ease of exploitation and the potential impact make it a high-priority vulnerability. The lack of authentication for the MQTT server significantly increases the risk of exploitation. The vulnerability is not currently listed on the CISA KEV catalog, but its critical severity warrants close monitoring.
Exploit Status
EPSS
1.68% (82% percentile)
CVSS Vector
The primary mitigation for CVE-2023-6248 is to immediately upgrade the Syrus4 IoT Telematics Gateway to version 23.43.3 or later. If upgrading is not immediately feasible, consider implementing temporary workarounds to reduce the attack surface. This includes isolating the Syrus4 gateway from the internet, restricting access to the MQTT server to trusted networks, and implementing strict firewall rules to limit inbound connections. Monitoring MQTT traffic for suspicious activity is also recommended. After upgrading, confirm the fix by attempting to connect to the MQTT server and executing a test command to verify that unauthorized code execution is prevented.
Actualice el firmware del dispositivo Syrus4 a una versión posterior a apex-23.43.2 que corrija las vulnerabilidades. Consulte al proveedor Digital Communications Technologies para obtener la última versión del firmware y las instrucciones de actualización. Implemente medidas de seguridad adicionales en la red para mitigar el riesgo de acceso no autorizado al servidor MQTT.
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CVE-2023-6248 is a critical Remote Code Execution vulnerability in the Syrus4 IoT Telematics Gateway, allowing attackers to execute code remotely without authentication.
You are affected if you are using Syrus4 IoT Telematics Gateway versions apex-23.43.2–apex-23.43.2. Upgrade to version 23.43.3 or later to mitigate the risk.
Upgrade the Syrus4 IoT Telematics Gateway to version 23.43.3 or later. As a temporary workaround, isolate the gateway and restrict access to the MQTT server.
While no active exploitation campaigns have been publicly confirmed, the vulnerability's ease of exploitation and high impact make it a high-priority risk.
Refer to the Syrus documentation at https://syrus.digitalcomtech.com/ for the latest security advisories and updates.
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