CVE-2021-30980 Information

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2 tvOS 15.2 macOS Monterey 12.1 Security Update 2021-008 Catalina iOS 15.2 and iPadOS 15.2 watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212975 https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212976 https://support.apple.com/en-us/HT212981 https://support.apple.com/en-us/HT212980

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8