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
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

21 Nov 2024, 06:04

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

07 Nov 2023, 03:33

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

Information

Published : 2021-08-24 19:15

Updated : 2024-11-21 06:04

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')

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7.8 /10