CVE-2021-39808

CVSS V2 High 7.2 CVSS V3 High 7.8

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

Overview

CVE ID
CVE-2021-39808

Assigner
security@android.com

Vulnerability Status
Analyzed

Published Version
2022-04-12T17:15:08

Last Modified Date
2022-07-12T17:42:04

Weakness Enumerations

CWE	URL
CWE-862	http://cwe.mitre.org/data/definitions/862.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
cpe:2.3:o:google:android:10.0:::::::*	1	OR
cpe:2.3:o:google:android:11.0:::::::*	1	OR
cpe:2.3:o:google:android:12.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://source.android.com/security/bulletin/2022-04-01	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-39808
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39808

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 16:58:35				Added to TrackCVE