CVE-2020-27524

Name: CVE-2020-27524
Creator: NVD / NIST
Published: 2020-11-11T15:15:11.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2020-27524 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Audi	Mmi Multiplayer	n\+r_cn_au_p0395

References

https://tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.htmlExploit, Third Party Advisory
https://twitter.com/Kevin2600/status/1316380576593571840Third Party Advisory
https://www.youtube.com/watch?v=BQUVgAdhwQsExploit, Third Party Advisory
https://tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.htmlExploit, Third Party Advisory
https://twitter.com/Kevin2600/status/1316380576593571840Third Party Advisory
https://www.youtube.com/watch?v=BQUVgAdhwQsExploit, Third Party Advisory

Timeline

Published: Nov 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27524?

How severe is CVE-2020-27524?

CVE-2020-27524 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27524?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27524?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST