CVE-2021-30717 Information

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4 Security Update 2021-003 Catalina Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to execute arbitrary code.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212530 https://support.apple.com/en-us/HT212531 https://support.apple.com/en-us/HT212529

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1