🟠 High | Source: Schneier on Security
A widely-deployed aftermarket car alarm system, the KARR Security System, contains Bluetooth vulnerabilities that allow any nearby attacker to silently unlock vehicles, disable the alarm, or kill the ignition — affecting an estimated 2 million cars in the US. The flaws were discovered by UC San Diego security researchers and require no authentication or special access to exploit. The ability to strand drivers by disabling ignition elevates this beyond a simple theft risk into a potential safety issue.
Security Architect’s Take: While not a cloud-native issue, this is a reminder to audit any IoT or connected-device deployments in your organisation’s fleet management or physical security stack — ensure firmware update processes exist and are enforced, and that Bluetooth-enabled devices are scoped to least-privilege operation. If your organisation procures or manages connected vehicles or IoT security peripherals, raise this with your physical security and procurement teams immediately.
Original advisory: Vulnerabilities in Car Anti-Theft Device