Vulnerability · Published Mar 30, 2022 · Assigned by google_android

CVE-2021-39749

High 7.8

In plain English

A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 89.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

In WindowManager, there is a possible way to start non-exported and protected activities due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-205996115

Affected products (as reported)

VendorProductVersions
n/a Android Android-12L

References