Detections
Analytics

CVE-2021-46145

medium

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.

References

https://twitter.com/Kevin2600/status/1475482656871571459?s=20

https://twitter.com/Kevin2600/status/1472070749208780804?s=20

https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html

http://starvlab.qianxin.com/?p=409

Details

Source: Mitre, NVD

Published: 2022-01-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 2.9

Vector: CVSS2#AV:A/AC:M/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.05369