What is CVE-2021-39701?

CVE-2021-39701 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-03-16.

How severe is CVE-2021-39701?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Google Android

CVE-2021-39701

In serviceConnection of ControlsProviderLifecycleManager.kt, there is a possible way to keep service running in foreground without notification or permission due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-212286849

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (31.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 11.0, 12.0
N/a Android — versions Android-11 Android-12

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2021-39701?: CVE-2021-39701 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-03-16.
How severe is CVE-2021-39701?: High severity. CVSS v3 base score is 7.8 out of 10.