CVE-2021-46145

—

CVSS 3.1

5.3 medium

EPSS

3%p88

Published

Jan 6, 2022 (Jan 6, 2022)

Modified

Jun 17, 2026

Description

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.

Vendors: honda
Products: civic 2012
Weakness: CWE-294
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (3.4%)

In the news2 stories

Experts show how to unlock several Honda models via Rolling

Security AffairsJul 10, 17:40 UTC · Jul 10, 2022Exploit / PoC CVE-2021-46145

Honda redesigning latest vehicles to address key fob vulnerabilities

The RecordJan 11, 00:00 UTC · Jan 11, 2023Vulnerability CVE-2022-27254 CVE-2021-46145