CVE-2021-46145
MEDIUMCVSS 5.3/10EPSS 3.64%
Last modified
CVE-2021-46145 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 3.64% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Honda | Civic 2012 | All versions |
References
- http://starvlab.qianxin.com/?p=409Third Party Advisory
- https://twitter.com/Kevin2600/status/1472070749208780804?s=20Third Party Advisory
- https://twitter.com/Kevin2600/status/1475482656871571459?s=20Third Party Advisory
- http://starvlab.qianxin.com/?p=409Third Party Advisory
- https://twitter.com/Kevin2600/status/1472070749208780804?s=20Third Party Advisory
- https://twitter.com/Kevin2600/status/1475482656871571459?s=20Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46145?
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.
How severe is CVE-2021-46145?
CVE-2021-46145 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 3.64% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46145?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-46145?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST