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VULNERABILITIES

CVE-2021-39810 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://source.android.com/docs/security/bulletin/android-14 CVERelease NotesVendor Advisory
https://source.android.com/security/bulletin/2025-09-01 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]
CWE-862Missing AuthorizationCISA-ADP

Affected Products

ProductVersions
google android
13.0

CPE

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

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-39810
NVD Published Date:
Oct 30, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-39810 Details - Not Deferred