What is CVE-2021-39771?

CVE-2021-39771 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-03-30.

How severe is CVE-2021-39771?

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

Improper input validation in Google Android

CVE-2021-39771

In Settings, there is a possible way to misrepresent which app wants to add a wifi network 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-12LAndroid ID: A-198661951

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

EPSS: 0.003 (23.2th 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 12.1
N/a Android — versions Android-12L

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39771?: CVE-2021-39771 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-03-30.
How severe is CVE-2021-39771?: High severity. CVSS v3 base score is 7.8 out of 10.