CVE-2021-23909 Memory corruption in n/a
Remote attackers can execute arbitrary code on Mercedes-Benz vehicles via a memory corruption flaw in the SH2 MCU of the MBUX system.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23909?
CVE-2021-23909 is a medium-severity memory corruption vulnerability in n/a, published on 13 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in HERMES 2.1 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The SH2 MCU allows remote code execution.
Weakness: CWE-787
Which versions are affected by CVE-2021-23909?
It affects 1 product.
Products include Mercedes-Benz Hermes.
How do I fix CVE-2021-23909?
No fix has been published for CVE-2021-23909 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-23909 being exploited?
There is no known exploitation of CVE-2021-23909 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xgjg-42m3-rrw5.