How severe is CVE-2020-29439?

CVE-2020-29439 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-29439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29439?

CVE-2020-29439 affects Tesla Model X Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-29439 published?

CVE-2020-29439 was published on 2020-11-30 and last updated on 2026-06-17.

CVE-2020-29439

CVE-2020-29439 is a medium-severity vulnerability in Tesla Model X Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tesla Model X Firmware
Published: 2020-11-30
Last modified: 2026-06-17

Description

Tesla Model X vehicles before 2020-11-23 have key fobs that rely on five VIN digits for the authentication needed for a body control module (BCM) to initiate a Bluetooth wake-up action. (The full VIN is visible from outside the vehicle.)

Frequently asked questions

What is CVE-2020-29439?: Tesla Model X vehicles before 2020-11-23 have key fobs that rely on five VIN digits for the authentication needed for a body control module (BCM) to initiate a Bluetooth wake-up action. (The full VIN is visible from outside the vehicle.)
How severe is CVE-2020-29439?: CVE-2020-29439 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-29439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29439?: CVE-2020-29439 affects Tesla Model X Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29439 published?: CVE-2020-29439 was published on 2020-11-30 and last updated on 2026-06-17.

References

https://www.wired.com/story/tesla-model-x-hack-bluetooth/

Affected products (1)

cpe:2.3:o:tesla:model_x_firmware:*:*:*:*:*:*:*:*

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