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CVE-2021-39704

Date: March 16, 2022

In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. 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-209965481

Language: Java

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2021-39704
https://source.android.com/security/bulletin/2022-03-01
https://www.mend.io/vulnerability-database/CVE-2021-39704

Severity Score

Weakness Type (CWE)

Improper Preservation of Permissions

CWE-281

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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