CVE-2021-30859

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS v3 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212807

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:mac_os_x::::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
	cpe:2.3:o:apple:macos::::::::

History

07 Nov 2023, 03:33

Type	Values Removed	Values Added
References	~~(MISC) https://support.apple.com/en-us/HT212805 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212805 -
References	~~(MISC) https://support.apple.com/en-us/HT212804 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212804 -
References	~~(MISC) https://support.apple.com/en-us/HT212807 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212807 -

09 Jan 2023, 16:41

Type	Values Removed	Values Added
First Time		Apple ipados
CPE	cpe:2.3:o:apple:ipad_os::::::::	cpe:2.3:o:apple:ipados::::::::

01 Nov 2021, 16:25

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.3 v3 : 7.8
CWE		CWE-843
References	~~(MISC) https://support.apple.com/en-us/HT212804 -~~	(MISC) https://support.apple.com/en-us/HT212804 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212807 -~~	(MISC) https://support.apple.com/en-us/HT212807 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212805 -~~	(MISC) https://support.apple.com/en-us/HT212805 - Vendor Advisory
CPE		cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:::::: cpe:2.3:o:apple:iphone_os:::::::: cpe:2.3:o:apple:ipad_os:::::::: cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:mac_os_x:10.15.7:-:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:::::: cpe:2.3:o:apple:mac_os_x:::::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::

28 Oct 2021, 19:15

Type	Values Removed	Values Added
References		(MISC) https://support.apple.com/en-us/HT212804 - (MISC) https://support.apple.com/en-us/HT212807 - (MISC) https://support.apple.com/en-us/HT212805 -
Summary	REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none.	A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

24 Aug 2021, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-24 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30859

Mitre link : CVE-2021-30859

CVE.ORG link : CVE-2021-30859

JSON object : View

Products Affected

apple

iphone_os
mac_os_x
ipados
macos

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

7.8 /10