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Fencer Vulns
high 7.1

CVE-2020-27524 json

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 str…

published 2020-11-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20034

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

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.

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • youtube.com https://www.youtube.com/watch?v=BQUVgAdhwQs referenced PoC, tagged "exploit" by a source, unverified
  • tiger-team-1337.blogspot.com https://tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 4.8 AV:A/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.