What is CVE-2021-39670?

CVE-2021-39670 is a medium-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2022-05-10.

How severe is CVE-2021-39670?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-39670 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Google Android

CVE-2021-39670

In setStream of WallpaperManager.java, there is a possible way to cause a permanent DoS due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-204087139

EPSS: 0.002 (8.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Google Android — versions 12.0, 12.1
N/a Android — versions Android-12 Android-12L

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

Supersonic/Wallbreak

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39670?: CVE-2021-39670 is a medium-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2022-05-10.
How severe is CVE-2021-39670?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-39670 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.