Vulnerability in Tesla Model 3
CVE-2023-32156
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Tesla Model 3 — versions Model 3 - 2023.6
- Tesla Model 3
- Tesla Model 3 Firmware — versions 2023.6
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-972/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-32156?
- CVE-2023-32156 is a high-severity vulnerability in Tesla Model 3, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.8/10. Published 2024-05-03.
- How severe is CVE-2023-32156?
- High severity. CVSS v3 base score is 8.8 out of 10.