CVE-2023-32156CWE-367

Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability

Critical · published May 3, 2024

CVSS v3.0
9.0
EPSS
0%
Percentile
36.1
In the wild
Unconfirmed
What it is

Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to execute privileged code on the Tesla infotainment system in order to exploit this vulnerability.

The specific flaw exists within the handling of firmware updates. The issue results from improper error-handling during the update process. An attacker can leverage this vulnerability to execute code in the context of Tesla's Gateway ECU.

. Was ZDI-CAN-20734.

The record
Technical detail
CVSS v3.0
9.0 · CRITICAL
Vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00429 · 36.1th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2024-05-03T01:56Z
EPSS history
Timeline
  • 03 MAY 01:56Z
    Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability
    cvelistv5