CVE-2021-1864

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT212317	Vendor Advisory
https://support.apple.com/en-us/HT212323	Vendor Advisory
https://support.apple.com/en-us/HT212324	Vendor Advisory
https://support.apple.com/en-us/HT212317	Vendor Advisory
https://support.apple.com/en-us/HT212323	Vendor Advisory
https://support.apple.com/en-us/HT212324	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:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

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/HT212323 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212323 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212324 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212324 - Vendor Advisory

Information

Published : 2021-09-08 15:15

Updated : 2024-11-21 05:45

NVD link : CVE-2021-1864

Mitre link : CVE-2021-1864

CVE.ORG link : CVE-2021-1864

JSON object : View

Products Affected

apple

iphone_os
ipados
watchos
tvos

CWE

CWE-416

Use After Free

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