CVE-2021-30770 Information

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7 tvOS 14.7 watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212604 https://support.apple.com/en-us/HT212605 https://support.apple.com/en-us/HT212601

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.5