CVE-2021-39810

In verifyDefaults of CardEmulationManager.java, there is a possible way to set a third party app as the default contactless payment app without user consent due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS v3 7.8 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

References

Link	Resource
https://source.android.com/security/bulletin/2025-09-01	Vendor Advisory
https://source.android.com/docs/security/bulletin/android-14	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-10-30 17:15

Updated : 2025-09-30 15:45

NVD link : CVE-2021-39810

Mitre link : CVE-2021-39810

CVE.ORG link : CVE-2021-39810

JSON object : View

Products Affected

google

android

CWE

CWE-862

Missing Authorization

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