How severe is CVE-2021-39690?

CVE-2021-39690 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 none, integrity none, and availability high.

Is CVE-2021-39690 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39690?

CVE-2021-39690 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39690?

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

When was CVE-2021-39690 published?

CVE-2021-39690 was published on 2022-03-16 and last updated on 2026-06-17.

CVE-2021-39690

CVE-2021-39690 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. The underlying weakness is classified as CWE-1284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1284
Affected product: Google Android
Published: 2022-03-16
Last modified: 2026-06-17

Description

In setDisplayPadding of WallpaperManagerService.java, there is a possible way to cause a persistent DoS due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-204316511

Frequently asked questions

What is CVE-2021-39690?: In setDisplayPadding of WallpaperManagerService.java, there is a possible way to cause a persistent DoS due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-204316511
How severe is CVE-2021-39690?: CVE-2021-39690 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 none, integrity none, and availability high.
Is CVE-2021-39690 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39690?: CVE-2021-39690 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39690?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39690 published?: CVE-2021-39690 was published on 2022-03-16 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2022-03-01

Affected products (1)

cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*

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