CVE-2021-39810

HIGH

7.8

Description

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published10/30/2023

Last Modified9/30/2025

Sourcenvd

Honeypot Sightings0

Affected Products

google:android

Weaknesses (CWE)

CWE-862CWE-862

References

https://source.android.com/security/bulletin/2025-09-01(security@android.com)

https://source.android.com/docs/security/bulletin/android-14(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.