CVE-2021-46145
The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-46145- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.9 Low
AV:A/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-294
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-46145- Updated
- 2026-11-02
EUVDEUVD-2021-32845 No score
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.
- Record
EUVD-2021-32845- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8q6q-9f65-vrcx No score
The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is...
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.
- Record
GHSA-8q6q-9f65-vrcx- Weakness
- CWE-294
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46145 is a medium vulnerability (CVSS 5.3) in Honda Civic 2012, published January 6, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.36%, the 88th percentile. No source names a fixed version.
