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Vulnerability DatabaseCVE-2021-0428

CVE-2021-0428: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0428 is a vulnerability discovered in Android 10's TelephonyManager.java component, specifically in the getSimSerialNumber function. The vulnerability was disclosed in September 2021 and stems from a missing permission check that could allow unauthorized access to trackable identifier information (Android Bulletin).

Technical details

The vulnerability is characterized by a missing authorization check (CWE-862) in the TelephonyManager.java component. It has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating local access, low attack complexity, low privileges required, no user interaction needed, and potential for high confidentiality impact (NVD).

Impact

The vulnerability could lead to local information disclosure, potentially exposing trackable identifier information to unauthorized applications. The impact is primarily focused on confidentiality, with no direct effects on integrity or availability of the system (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin of September 2021. Users should ensure their Android devices are updated with the latest security patches to mitigate this vulnerability (Android Bulletin).

Additional resources

Source: This report was generated using AI

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