How severe is CVE-2022-38766?

CVE-2022-38766 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-38766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38766?

CVE-2022-38766 affects Renault Zoe E-tech Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-38766 published?

CVE-2022-38766 was published on 2023-01-03 and last updated on 2026-06-17.

CVE-2022-38766

CVE-2022-38766 is a high-severity vulnerability in Renault Zoe E-tech Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-294
Affected product: Renault Zoe E-tech Firmware
Published: 2023-01-03
Last modified: 2026-06-17

Description

The remote keyless system on Renault ZOE 2021 vehicles sends 433.92 MHz RF signals from the same Rolling Codes set for each door-open request, which allows for a replay attack.

Frequently asked questions

What is CVE-2022-38766?: The remote keyless system on Renault ZOE 2021 vehicles sends 433.92 MHz RF signals from the same Rolling Codes set for each door-open request, which allows for a replay attack.
How severe is CVE-2022-38766?: CVE-2022-38766 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-38766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38766?: CVE-2022-38766 affects Renault Zoe E-tech Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-38766 published?: CVE-2022-38766 was published on 2023-01-03 and last updated on 2026-06-17.

References

https://github.com/AUTOCRYPT-IVS-VnV/CVE-2022-38766

Affected products (1)

cpe:2.3:o:renault:zoe_e-tech_firmware:2021:*:*:*:*:*:*:*

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