{"cve":"CVE-2021-46145","nvd":{"published":"2022-01-06T06:15:07.137","modified":"2026-06-17T04:14:34.830","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.3},"cwes":["CWE-294"],"references":["http://starvlab.qianxin.com/?p=409","https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html","https://twitter.com/Kevin2600/status/1472070749208780804?s=20","https://twitter.com/Kevin2600/status/1475482656871571459?s=20","http://starvlab.qianxin.com/?p=409"],"products":["honda:civic_2012"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-46145","score":0.03365,"percentile":0.88737,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}