CVE-2021-39807

In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*
	cpe:2.3:o:google:android:12.1:::::::*

History

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2022-04-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2022-04-01 - Patch, Vendor Advisory

20 Apr 2022, 14:54

Type	Values Removed	Values Added
References	~~(MISC) https://source.android.com/security/bulletin/2022-04-01 -~~	(MISC) https://source.android.com/security/bulletin/2022-04-01 - Patch, Vendor Advisory
CWE		CWE-269
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
CPE		cpe:2.3:o:google:android:11.0:::::::* cpe:2.3:o:google:android:12.1:::::::* cpe:2.3:o:google:android:12.0:::::::* cpe:2.3:o:google:android:10.0:::::::*

12 Apr 2022, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-12 17:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39807

Mitre link : CVE-2021-39807

CVE.ORG link : CVE-2021-39807

JSON object : View

Products Affected

google

android

CWE

CWE-269

Improper Privilege Management

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