CVE-2021-1806 Information

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Big Sur 11.2.1 macOS Catalina 10.15.7 Supplemental Update macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212177 https://support.apple.com/kb/HT212327 http://seclists.org/fulldisclosure/2021/Apr/54

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0