CVE-2021-30740 Information

Description

A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4 tvOS 14.6 watchOS 7.5 iOS 14.6 and iPadOS 14.6. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212529 https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8