CVE-2020-5551 Command injection in DCU (Display Control Unit)
Unauthenticated attackers within Bluetooth range can execute arbitrary commands or cause denial of service on Toyota DCUs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5551?
CVE-2020-5551 is a high-severity command injection vulnerability in TOYOTA MOTOR CORPORATION DCU (Display Control Unit), published on 30 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Toyota 2017 Model Year DCU (Display Control Unit) allows an unauthenticated attacker within Bluetooth range to cause a denial of service attack and/or execute an arbitrary command. The affected DCUs are installed in Lexus (LC, LS, NX, RC, RC F), TOYOTA CAMRY, and TOYOTA SIENNA manufactured in the regions other than Japan from Oct. 2016 to Oct. 2019. An attacker with certain knowledge on the target vehicle control system may be able to send some diagnostic commands to ECUs with some limited availability impacts; the vendor states critical vehicle controls such as driving, turning, and stopping are not affected.
Weakness: CWE-276
Which versions are affected by CVE-2020-5551?
It affects 1 product.
Products include Toyota Display Control Unit.
How do I fix CVE-2020-5551?
No fix has been published for CVE-2020-5551 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-5551 being exploited?
There is no known exploitation of CVE-2020-5551 in the wild and no public exploit code.
Sources
Also known as GHSA-5c48-qxrh-hrpg.