CVE-2020-9949 Information

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1 watchOS 7.0 iOS 14.0 and iPadOS 14.0 macOS Catalina 10.15.6 Security Update 2020-004 Mojave Security Update 2020-004 High Sierra tvOS 14.0. An 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/HT211844 https://support.apple.com/en-us/HT211843 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211289 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