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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (49.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Toyota Rav4
- Toyota Rav4 Firmware — versions 2021
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kentindell.github.io/2023/04/03/can-injection/ (Exploit, Third Party Advisory)
- news.ycombinator.com/item (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.