CVE-2025-24121: 
macOS vulnerability analysis and mitigation

CVE-2025-24121 is a security vulnerability discovered in Apple's macOS operating systems that was disclosed on January 27, 2025. The vulnerability affects multiple versions of macOS including Ventura 13.7.3, Sequoia 15.3, and Sonoma 14.7.3. It was identified as a logic issue in the AppleMobileFileIntegrity component that could allow an application to modify protected parts of the file system (Apple Support).

The vulnerability is characterized as a logic issue in the AppleMobileFileIntegrity component that was addressed with improved checks. The vulnerability received a CVSS 3.1 Base Score of 3.3 (LOW) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, indicating local access is required and the impact is primarily on integrity (NVD). The vulnerability is classified under CWE-863 (Incorrect Authorization).

The primary impact of this vulnerability is that a malicious application could potentially modify protected parts of the file system, potentially compromising system integrity. This could lead to unauthorized modifications of protected system files (Apple Support, Apple Support).

Apple has addressed this vulnerability by implementing improved checks in the affected versions of macOS. Users are advised to update to macOS Ventura 13.7.3, macOS Sequoia 15.3, or macOS Sonoma 14.7.3, depending on their system version. These updates include the necessary fixes to prevent exploitation of this vulnerability (Apple Support).

The vulnerability was discovered and reported by security researcher Mickey Jin (@patch1t), who has been credited by Apple for the discovery (Apple Support).