{"id":"CVE-2021-46145","aliases":["EUVD-2021-32845","GHSA-8q6q-9f65-vrcx"],"status":"published","title":"The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is...","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03365,"percentile":0.88824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2022-01-06T05:30:37Z","modified":"2026-06-17T04:14:34Z","products":[{"vendor":"honda","product":"civic_2012"}],"references":[{"url":"http://starvlab.qianxin.com/?p=409","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://twitter.com/Kevin2600/status/1475482656871571459?s=20","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://twitter.com/Kevin2600/status/1472070749208780804?s=20","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46145"},{"url":"https://github.com/advisories/GHSA-8q6q-9f65-vrcx"}],"sources":{"cve":[{"id":"CVE-2021-46145","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.","status":"published","published":"2022-01-06T05:30:37Z","modified":"2024-08-04T05:02:11.585Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-32845","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.","status":"published","published":"2022-01-06T05:30:37Z","modified":"2024-08-04T05:02:11Z","updated_at":"2026-11-03T03:08:24.682864Z"}],"ghsa":[{"id":"GHSA-8q6q-9f65-vrcx","title":"The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is...","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.","status":"published","published":"2022-01-07T00:00:49Z","modified":"2023-02-03T05:03:56Z","cwes":["CWE-294"],"updated_at":"2026-11-02T14:53:27.376431Z"}],"nvd":[{"id":"CVE-2021-46145","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.","status":"published","published":"2022-01-06T06:15:07.137Z","modified":"2026-06-17T04:14:34.83Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.9,"vector":"AV:A/AC:M/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}