CVE-2021-39810

HIGH

Android - Missing Authorization in CardEmulationManager

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.8
EPSS 0.0011
EPSS Percentile 1.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-862
Status published
Products (1)
google/android 13.0
Published Oct 30, 2023
Tracked Since Feb 18, 2026