How severe is CVE-2021-39757?

CVE-2021-39757 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-39757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39757?

CVE-2021-39757 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39757?

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

When was CVE-2021-39757 published?

CVE-2021-39757 was published on 2022-03-30 and last updated on 2026-06-17.

CVE-2021-39757

CVE-2021-39757 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: 2.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2022-03-30
Last modified: 2026-06-17

Description

In PermissionController, there is a possible permission bypass due to an unsafe PendingIntent. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-176094662

Frequently asked questions

What is CVE-2021-39757?: In PermissionController, there is a possible permission bypass due to an unsafe PendingIntent. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-176094662
How severe is CVE-2021-39757?: CVE-2021-39757 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-39757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39757?: CVE-2021-39757 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39757?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39757 published?: CVE-2021-39757 was published on 2022-03-30 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/android-12l

Affected products (1)

cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*

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