Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-0688
CVE-2021-0688:
NixOS vulnerability analysis and mitigation
Overview
CVE-2021-0688 is a vulnerability discovered in Android's PhoneWindowManager.java component affecting multiple Android versions (8.1, 9, 10, and 11). The vulnerability was disclosed in the September 2021 Android Security Bulletin and is identified by Android ID A-161149543 (Android Bulletin).
Technical details
The vulnerability exists in the lockNow function of PhoneWindowManager.java and is characterized as a race condition that could lead to a lock screen bypass. The vulnerability received a CVSS v3.1 base score of 7.0 (HIGH) with the vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. It has been classified under CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization) (NVD).
Impact
The vulnerability could lead to local escalation of privilege with User execution privileges needed. An attacker who successfully exploits this vulnerability could bypass the lock screen, potentially gaining unauthorized access to the device's content and functionality (CVE Mitre).
Mitigation and workarounds
The vulnerability was addressed in the Android Security Bulletin for September 2021. Users should update their Android devices to the latest available security patch level to mitigate this vulnerability (Android Bulletin).
Additional resources
Source: This report was generated using AI
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