In createNotificationChannelGroup of PreferencesHelper.java, there is a possible way for a service to run in foreground without user notifi…

published 2022-04-12 4y ago modified 2026-06-17 4mo ago also EUVD-2021-26165

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

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

Patch / fix

links 1

source.android.com/security/bulletin/2022-04-01 advisory

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Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Android

Classification

Weakness

CWE-862 Missing Authorization

References

source.android.com /security/bulletin/2022-04-01
patch, vendor-advisory

Sources

CVE List CVE-2021-39808
NVD CVE-2021-39808

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