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
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
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.