CVE-2021-30665 Information

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1 iOS 14.5.1 and iPadOS 14.5.1 tvOS 14.6 iOS 12.5.3 macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

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/HT212341 https://support.apple.com/en-us/HT212339 https://support.apple.com/en-us/HT212336 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212335

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