CVE-2020-9949

high

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra, tvOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

References

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

https://support.apple.com/en-us/HT211850

https://support.apple.com/en-us/HT211844

https://support.apple.com/en-us/HT211843

https://support.apple.com/en-us/HT211289

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

Details

Source: Mitre, NVD

Published: 2020-12-08

Updated: 2021-03-11

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

EPSS

EPSS: 0.007