CVE-2021-39808

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In createNotificationChannelGroup of PreferencesHelper.java, there is a possible way for a service to run in foreground without user notification due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209966086

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 12, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-39808: High severity, CVSS 7.8 | Vulnix