CVE-2020-9996 Information

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1 iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate 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/HT211931 https://support.apple.com/en-us/HT211850 http://seclists.org/fulldisclosure/2020/Dec/32

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