How severe is CVE-2021-0931?

CVE-2021-0931 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-0931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0931?

CVE-2021-0931 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-0931 published?

CVE-2021-0931 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-0931

CVE-2021-0931 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.7
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2021-12-15
Last modified: 2026-06-17

Description

In getAlias of BluetoothDevice.java, there is a possible way to create misleading permission dialogs due to missing data filtering. This could lead to local information disclosure with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-180747689

Frequently asked questions

What is CVE-2021-0931?: In getAlias of BluetoothDevice.java, there is a possible way to create misleading permission dialogs due to missing data filtering. This could lead to local information disclosure with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-180747689
How severe is CVE-2021-0931?: CVE-2021-0931 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-0931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0931?: CVE-2021-0931 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0931 published?: CVE-2021-0931 was published on 2021-12-15 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2021-11-01

Affected products (4)

cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*

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