What is CVE-2023-29389?

CVE-2023-29389 is a medium-severity vulnerability in Toyota Rav4, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.8/10. Published 2023-04-05.

How severe is CVE-2023-29389?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2023-29389 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Toyota Rav4

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.

EPSS: 0.007 (47.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Toyota Rav4
Toyota Rav4_firmware — versions 2021
N/a — versions n/a

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Issue Tracking)

Frequently asked questions

What is CVE-2023-29389?: CVE-2023-29389 is a medium-severity vulnerability in Toyota Rav4, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.8/10. Published 2023-04-05.
How severe is CVE-2023-29389?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2023-29389 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.