CVE-2021-30844 Information

Description

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina macOS Big Sur 11.6. A remote attacker may be able to leak memory.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212804 https://support.apple.com/en-us/HT212805 https://support.apple.com/kb/HT212871 https://support.apple.com/kb/HT212872

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5