CVE-2021-30821

high

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

References

https://support.apple.com/en-us/HT212872

https://support.apple.com/en-us/HT212871

https://support.apple.com/en-us/HT212869

Details

Source: Mitre, NVD

Published: 2021-10-28

Updated: 2021-11-02

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High