CVE-2021-1750: 
macOS vulnerability analysis and mitigation

CVE-2021-1750 is a security vulnerability affecting multiple Apple operating systems including macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. The vulnerability was discovered and reported by security researcher @0xalsr. The issue was fixed in updates released on January 26, 2021, where multiple issues were addressed with improved logic (Apple Security).

The vulnerability allows an application to execute arbitrary code with kernel privileges. It received a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-269 (Improper Privilege Management) (NVD).

If exploited, this vulnerability could allow a malicious application to execute arbitrary code with kernel privileges, potentially leading to complete system compromise. The high CVSS score reflects the severity of potential impact on system confidentiality, integrity, and availability (NVD).

Apple has released security updates to address this vulnerability in multiple operating systems. Users should update to macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 or iPadOS 14.4 as appropriate for their devices (Apple Security).