CVE-2021-39810 (GCVE-0-2021-39810)

Vulnerability from cvelistv5 – Published: 2023-10-30 16:18 – Updated: 2025-09-04 18:33
VLAI
Summary
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-06 20:35 UTC
CWE
  • Elevation of privilege
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version CPE status
Google Android Affected: 13
guessed Create a notification for this product.
google android Affected: 0 , < 14.0 (custom)
    cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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