What is CVE-2020-29438?

CVE-2020-29438 is a medium-severity vulnerability in Tesla Model X, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.5/10. Published 2020-11-30.

How severe is CVE-2020-29438?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Tesla Model X

CVE-2020-29438

Tesla Model X vehicles before 2020-11-23 have key fobs that accept firmware updates without signature verification. This allows attackers to construct firmware that retrieves an unlock code from a secure enclave chip.

Published 2020-11-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.8% 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

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

www.wired.com/story/tesla-model-x-hack-bluetooth/ (Exploit, Third Party Advisory, Press/Media Coverage)

Frequently asked questions

What is CVE-2020-29438?: CVE-2020-29438 is a medium-severity vulnerability in Tesla Model X, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.5/10. Published 2020-11-30.
How severe is CVE-2020-29438?: Medium severity. CVSS v3 base score is 6.5 out of 10.