CVE-2021-30830 Information

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina macOS Big Sur 11.6. 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/HT212804 https://support.apple.com/en-us/HT212805

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