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.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
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