CVE-2020-29438 json
Tesla Model X vehicles before 2020-11-23 have key fobs that accept firmware updates without signature verification.
published 2020-11-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21811
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- tesla model_x_firmware 2020-11-23
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wired.com https://www.wired.com/story/tesla-model-x-hack-bluetooth/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 3.3 | AV:A/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
-
wired.com
/story/tesla-model-x-hack-bluetooth/
exploit, press/media-coverage, third-party-advisory
Sources
- CVE List CVE-2020-29438
- NVD CVE-2020-29438
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