CVE-2021-30748

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An 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

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

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/HT212601	Vendor Advisory
https://support.apple.com/en-us/HT212602	Vendor Advisory
https://support.apple.com/kb/HT212604	Vendor Advisory
https://support.apple.com/en-us/HT212601	Vendor Advisory
https://support.apple.com/en-us/HT212602	Vendor Advisory
https://support.apple.com/kb/HT212604	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::

History

21 Nov 2024, 06:04

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT212601 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212601 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212602 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212602 - Vendor Advisory
References	~~() https://support.apple.com/kb/HT212604 - Vendor Advisory~~	() https://support.apple.com/kb/HT212604 - Vendor Advisory

Information

Published : 2021-09-08 14:15

Updated : 2024-11-21 06:04

NVD link : CVE-2021-30748

Mitre link : CVE-2021-30748

CVE.ORG link : CVE-2021-30748

JSON object : View

Products Affected

apple

iphone_os
tvos
macos
ipados

CWE

CWE-787

Out-of-bounds Write

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