Medium CVSS 5.0

Overview

Tesla Model S Iris Modem Race Condition Firewall Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass the firewall on the Iris modem in affected Tesla Model S vehicles. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the firewall service. The issue results from a failure to obtain the xtables lock. An attacker can leverage this vulnerability to bypass firewall rules. Was ZDI-CAN-23197.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.0 (MEDIUM)
  • Detected tags: race (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

Recommended tools

Tags