CVE-2021-30908
macOS vulnerability analysis and mitigation

Overview

CVE-2021-30908 is an authentication vulnerability discovered in macOS operating systems that was fixed in macOS Monterey 12.0.1 and macOS Big Sur 11.6.1, released on October 25, 2021. The vulnerability affects the Windows Server component in macOS systems (Apple Support).

Technical details

The vulnerability is characterized as an authentication issue that was addressed with improved state management. It has a CVSS 3.1 Base Score of 3.3 (LOW) with a vector string of CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, indicating local access is required and user interaction is needed (NVD).

Impact

When exploited, this vulnerability allows a local attacker to view the previous logged-in user's desktop from the fast user switching screen, potentially exposing sensitive user information (Apple Support).

Mitigation and workarounds

Apple has addressed this vulnerability by releasing security updates in macOS Monterey 12.0.1 and macOS Big Sur 11.6.1. Users are advised to update their systems to these versions or later to protect against this vulnerability (Apple Support).

Community reactions

The vulnerability was discovered and reported by ASentientBot (Apple Support).

Additional resources


SourceThis report was generated using AI

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