CVE-2020-29438
Tesla Model X vehicles before 2020-11-23 have key fobs that accept firmware updates without...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-29438- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-29438- Updated
- 2026-11-02
EUVDEUVD-2020-21811 No score
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.
- Record
EUVD-2020-21811- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pjjj-hpx9-qmc6 No score
Tesla Model X vehicles before 2020-11-23 have key fobs that accept firmware updates without...
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.
- Record
GHSA-pjjj-hpx9-qmc6- Weakness
- CWE-347
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-29438 is a medium vulnerability (CVSS 6.5) in Tesla Model X Firmware, published November 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.