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.
Conclusion & alert: CVE-2022-27254 is rated Exploit Available (55.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.08%). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 2.81% | 1.08% | -1.73% |
| 2 | 2026-05-26 | 3.63% | 2.81% | -0.82% |
| 3 | 2026-05-24 | — | 3.63% | — |
Full EPSS history (29 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
1.6 | 3.6 | [email protected] |
| 2.9 | 2.0 | LOW |
|
5.5 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| honda | civic_2018_firmware | — | cpe:2.3:o:honda:civic_2018_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://drive.google.com/file/d/1MtmWfBs1r6Y3JN1HpbNsZqO1GcsdgPdc/view?usp=sharing | Exploit Third Party Advisory |
| https://github.com/HackingIntoYourHeart/Unoriginal-Rice-Patty | Exploit Third Party Advisory |
| https://github.com/nonamecoder/CVE-2022-27254 | Exploit Third Party Advisory |
| https://news.ycombinator.com/item?id=30804702 | Exploit Issue Tracking Third Party Advisory |
| https://www.bleepingcomputer.com/news/security/honda-bug-lets-a-hacker-unlock-and-start-your-car-via-replay-attack/ | Exploit Third Party Advisory |
| https://www.theregister.com/2022/03/25/honda_civic_hack/ | Exploit Third Party Advisory |