CVE-2021-1867

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS v3 8.8 HIGH
CVSS v2.0 9.3 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

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/HT212317	Vendor Advisory
https://support.apple.com/en-us/HT212325	Vendor Advisory
https://support.apple.com/en-us/HT212317	Vendor Advisory
https://support.apple.com/en-us/HT212325	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::::::::

History

21 Nov 2024, 05:45

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT212317 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212317 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212325 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212325 - Vendor Advisory

20 Sep 2021, 18:32

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.3 v3 : 8.8
CWE		CWE-125
References	~~(MISC) https://support.apple.com/en-us/HT212325 -~~	(MISC) https://support.apple.com/en-us/HT212325 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212317 -~~	(MISC) https://support.apple.com/en-us/HT212317 - Vendor Advisory

08 Sep 2021, 15:30

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-08 15:15

Updated : 2024-11-21 05:45

NVD link : CVE-2021-1867

Mitre link : CVE-2021-1867

CVE.ORG link : CVE-2021-1867

JSON object : View

Products Affected

apple

ipados
iphone_os
macos

CWE

CWE-125

Out-of-bounds Read

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