CVE-2020-27920 Information

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave macOS Big Sur 11.0.1 iOS 14.2 and iPadOS 14.2 watchOS 7.1 tvOS 14.2. Processing maliciously crafted web content may lead to code execution.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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/HT212011 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211930

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

8.8