Vulnerability in Honda Civic 2012 Keyfob System: Replay Attack Exploiting Non-Expiring Rolling Code and Counter Resynchronization

CVE-2021-46145 · MEDIUM Severity

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is related to a non-expiring rolling code and counter resynchronization.

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