CVE-2021-30805 Information

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5 Security Update 2021-004 Catalina Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212602 https://support.apple.com/en-us/HT212603 https://support.apple.com/en-us/HT212600

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8