Design/Logic Flaw

2018-09-1023:29:00

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6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.4%

JSON

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.