CVE-2020-27904

high

Description

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

References

http://seclists.org/fulldisclosure/2020/Dec/32

http://seclists.org/fulldisclosure/2021/Feb/14

https://support.apple.com/en-us/HT211931

https://support.apple.com/kb/HT212147

Details

Source: MITRE

Published: 2020-12-08

Updated: 2021-02-10

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH