Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. An application may be able to execute arbitrary code with kernel privileges.
References (7)
Core 7
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211928
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211929
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211930
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212011
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/26
Scores
CVSS v3
7.8
EPSS
0.0162
EPSS Percentile
73.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (8)
apple/ipados
< 14.2
apple/iphone_os
< 14.2
apple/mac_os_x
10.14.6 security_update_2019-001 (14 CPE variants)
apple/mac_os_x
10.15.7 security_update_2020
apple/mac_os_x
10.14.0 - 10.14.6
apple/macos
11.0 - 11.1
apple/tvos
< 14.2
apple/watchos
< 7.1
Published
Dec 08, 2020
Tracked Since
Feb 18, 2026