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Vulnerability DatabaseCVE-2021-39810

CVE-2021-39810: 
NixOS vulnerability analysis and mitigation

Overview

In NFC (Near Field Communication), a vulnerability was discovered that allows setting up a default contactless payment app without user consent due to a missing permission check. This vulnerability, identified as CVE-2021-39810, affects Android operating systems prior to version 14.0 (Android Bulletin).

Technical details

The vulnerability stems from a missing authorization check (CWE-862) in the NFC system component. The severity of this vulnerability is rated as HIGH with a CVSS v3.1 Base Score of 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). The vulnerability requires local access with low attack complexity and no user interaction for exploitation (NVD).

Impact

If exploited, this vulnerability could lead to local escalation of privilege, allowing an attacker to set up a default contactless payment application without the user's knowledge or consent. The high severity rating indicates potential significant impact on confidentiality, integrity, and availability of the system (CVE).

Mitigation and workarounds

The vulnerability has been patched in Android 14.0. Users are advised to update their Android devices to version 14.0 or later to mitigate this security risk (Android Bulletin).

Additional resources

Source: This report was generated using AI

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