CVE-2020-27524

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-11-11 · updated 2026-06-17
Weakness: CWE-134

Description

On Audi A7 MMI 2014 vehicles, the Bluetooth stack in Audi A7 MMI Multiplayer with version (N+R_CN_AU_P0395) mishandles %x and %s format string specifiers in a device name. This may lead to memory content leaks and potentially crash the services.

Affected products

Audi Mmi Multiplayer: n+r_cn_au_p0395

References

https://tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.html
https://twitter.com/Kevin2600/status/1316380576593571840
https://www.youtube.com/watch?v=BQUVgAdhwQs
https://tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.html
https://twitter.com/Kevin2600/status/1316380576593571840
https://www.youtube.com/watch?v=BQUVgAdhwQs

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