CVE-2020-29621: 
macOS vulnerability analysis and mitigation

CVE-2020-29621 is a security vulnerability discovered in Apple's macOS operating system that affects the AppleMobileFileIntegrity component. The vulnerability was disclosed and patched in December 2020, affecting macOS Big Sur 11.0.1. The issue was discovered by Wojciech Reguła of SecuRing (Apple Security).

The vulnerability exists in the AppleMobileFileIntegrity component of macOS where a malicious application could potentially bypass Privacy preferences. Apple addressed this security issue by implementing improved checks in the system. The vulnerability has a CVSS v3.1 base score indicating local access requirements with low attack complexity (NVD).

The primary impact of this vulnerability is that a malicious application may be able to bypass Privacy preferences on the affected system, potentially compromising user privacy and security settings (Apple Security).

The vulnerability requires local access and low attack complexity to exploit. It affects macOS Big Sur versions prior to 11.1, requiring the attacker to have the ability to execute code on the target system (NVD).

Apple has released patches to address this vulnerability in macOS Big Sur 11.1, Security Update 2020-001 Catalina, and Security Update 2020-007 Mojave. Users are advised to update their systems to these versions or later to mitigate the vulnerability (Apple Security).