CVE-2021-30758 Information

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7 Safari 14.1.2 macOS Big Sur 11.5 watchOS 7.6 tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary 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/HT212606 https://support.apple.com/en-us/HT212604 https://support.apple.com/en-us/HT212605 https://support.apple.com/en-us/HT212602 https://support.apple.com/en-us/HT212601

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