VulnerabilityModified

CVE-2020-29440

This allows an attacker (who is inside a vehicle, or is otherwise able to send data over the CAN bus) to start and drive the vehicle with a spoofed key fob.

MEDIUM 4.6EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

Tesla Model X vehicles before 2020-11-23 do not perform certificate validation during an attempt to pair a new key fob with the body control module (BCM). This allows an attacker (who is inside a vehicle, or is otherwise able to send data over the CAN bus) to start and drive the vehicle with a spoofed key fob.

CVSS 3.1: 4.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.21% probability · 12th percentile
CISA KEV: Not listed
Weakness: CWE-295
Affected: tesla/model x firmware
Source: cve@mitre.org

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.