CVE-2020-27899 Information

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2 macOS Big Sur 11.0.1 watchOS 7.1 tvOS 14.2. A local attacker may be able to elevate their privileges.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211930

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8