Vulnerability in Pektron Passive Keyless Entry And Start System

CVE-2018-16806

A Pektron Passive Keyless Entry and Start (PKES) system, as used on the Tesla Model S and possibly other vehicles, relies on the DST40 cipher, which makes it easier for attackers to obtain access via an approach involving a 5.4 TB precomputation, followed by wake-frame reception and two challenge/response operations, to clone a key fob within a few seconds.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-16806?
CVE-2018-16806 is a medium-severity vulnerability in Pektron Passive Keyless Entry And Start System, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.5/10. Published 2018-09-10.
How severe is CVE-2018-16806?
Medium severity. CVSS v3 base score is 6.5 out of 10.