CVE-2021-39621

In sendLegacyVoicemailNotification of LegacyModeSmsHandler.java, there is a possible permissions bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-185126319

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2022-01-01	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-269~~	CWE-732

20 Jan 2022, 13:44

Type	Values Removed	Values Added
CWE		CWE-269
First Time		Google Google android
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
CPE		cpe:2.3:o:google:android:10.0:::::::* cpe:2.3:o:google:android:12.0:::::::* cpe:2.3:o:google:android:11.0:::::::* cpe:2.3:o:google:android:9.0:::::::*
References	~~(MISC) https://source.android.com/security/bulletin/2022-01-01 -~~	(MISC) https://source.android.com/security/bulletin/2022-01-01 - Vendor Advisory

14 Jan 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-01-14 20:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-39621

Mitre link : CVE-2021-39621

CVE.ORG link : CVE-2021-39621

JSON object : View

Products Affected

google

android

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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