How severe is CVE-2020-27524?

CVE-2020-27524 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2020-27524 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27524?

CVE-2020-27524 affects Audi Mmi Multiplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27524?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-27524 published?

CVE-2020-27524 was published on 2020-11-11 and last updated on 2026-06-17.

CVE-2020-27524

CVE-2020-27524 is a high-severity vulnerability in Audi Mmi Multiplayer with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Audi Mmi Multiplayer
Published: 2020-11-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 string specifiers in a device name. This may lead to memory content leaks and potentially crash the services.
How severe is CVE-2020-27524?: CVE-2020-27524 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2020-27524 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27524?: CVE-2020-27524 affects Audi Mmi Multiplayer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27524?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-27524 published?: CVE-2020-27524 was published on 2020-11-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:audi:mmi_multiplayer:n\+r_cn_au_p0395:*:*:*:*:*:*:*

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