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…
Does this matter?
Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- toyota/rav4 firmware
- Source
- cve@mitre.org
References
- https://kentindell.github.io/2023/04/03/can-injection/Exploit, Third Party Advisory
- https://news.ycombinator.com/item?id=35452963Issue Tracking
- https://kentindell.github.io/2023/04/03/can-injection/Exploit, Third Party Advisory
- https://news.ycombinator.com/item?id=35452963Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.