CVE-2021-39704 — HIGH (7.8)

Vulnerability Description

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

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	10.0

Related Weaknesses (CWE)

CWE-281

References

https://source.android.com/security/bulletin/2022-03-01PatchVendor Advisory
https://source.android.com/security/bulletin/2022-03-01PatchVendor Advisory

FAQ

What is CVE-2021-39704?

CVE-2021-39704 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...

How severe is CVE-2021-39704?

CVE-2021-39704 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39704?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.