CVE-2023-32156 — HIGH (8.8)

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tesla	Model 3 Firmware	2023.6
Tesla	Model 3	-

Related Weaknesses (CWE)

CWE-367

References

https://www.zerodayinitiative.com/advisories/ZDI-23-972/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-972/Third Party Advisory

FAQ

What is CVE-2023-32156?

CVE-2023-32156 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...

How severe is CVE-2023-32156?

CVE-2023-32156 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-32156?

Check the references section above for vendor advisories and patch information. Affected products include: Tesla Model 3 Firmware, Tesla Model 3.