Read the docs
TI-2021-21078 Aliases CVE-2021-46145GHSA-8q6q-9f65-vrcx

The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking.

Priority LOW 30CWE-294Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-294.

Summary

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.

Why it matters now

EPSS 0.03365 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:h:honda:civic_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableHonda
  • cpe:2.3:h:honda:civic_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Honda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46145
  2. 2026-10-03 Alias added: GHSA-8q6q-9f65-vrcx

References

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences