CVE-2021-30987
macOS vulnerability analysis and mitigation

Overview

CVE-2021-30987 is a security vulnerability affecting macOS Monterey that was fixed in version 12.1, released on December 13, 2021. The vulnerability allowed devices to be passively tracked via BSSIDs (Basic Service Set Identifiers). This access issue was discovered by Jason Meller, Fritz Ifert-Miller, and Joseph Sokol-Margolis of Kolide (Apple Security).

Technical details

The vulnerability was classified as a medium severity issue with a CVSS v3.1 base score of 5.5. The vulnerability vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating local access required, low attack complexity, low privileges required, no user interaction needed, and high confidentiality impact (NVD).

Impact

The primary impact of this vulnerability was that it allowed devices to be passively tracked through their BSSIDs, potentially compromising user privacy and device location confidentiality (Apple Security).

Mitigation and workarounds

Apple addressed this vulnerability by implementing improved access restrictions in macOS Monterey 12.1. Users were advised to update their systems to this version to protect against potential exploitation (Apple Security).

Additional resources


SourceThis report was generated using AI

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