How severe is CVE-2023-29389?

CVE-2023-29389 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29389?

CVE-2023-29389 affects Toyota Rav4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-29389 published?

CVE-2023-29389 was published on 2023-04-05 and last updated on 2026-06-17.

CVE-2023-29389

CVE-2023-29389 is a medium-severity vulnerability in Toyota Rav4 Firmware with a CVSS 3.x base score of 6.8. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Toyota Rav4 Firmware
Published: 2023-04-05
Last modified: 2026-06-17

Description

Toyota RAV4 2021 vehicles automatically trust messages from other ECUs on a CAN bus, which allows physically proximate attackers to drive a vehicle by accessing the control CAN bus after pulling the bumper away and reaching the headlight connector, and then sending forged "Key is validated" messages via CAN Injection, as exploited in the wild in (for example) July 2022.

Frequently asked questions

What is CVE-2023-29389?: Toyota RAV4 2021 vehicles automatically trust messages from other ECUs on a CAN bus, which allows physically proximate attackers to drive a vehicle by accessing the control CAN bus after pulling the bumper away and reaching the headlight connector, and then sending forged "Key is validated" messages via CAN Injection, as exploited in the wild in (for example) July 2022.
How severe is CVE-2023-29389?: CVE-2023-29389 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29389?: CVE-2023-29389 affects Toyota Rav4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-29389 published?: CVE-2023-29389 was published on 2023-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:toyota:rav4_firmware:2021:*:*:*:*:*:*:*

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