CVE-2021-30703 Information

Description

A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6 iOS 14.6 and iPadOS 14.6 Security Update 2021-004 Catalina Security Update 2021-005 Mojave macOS Big Sur 11.4 watchOS 7.5. An application may be able to execute arbitrary code with kernel 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/HT212529 https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212603 https://support.apple.com/en-us/HT212600 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533

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