Vulnerability Monitor

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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.

Published

2021-09-08T15:15:11.810

Last Modified

2024-11-21T05:45:15.260

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.5	Yes
Operating System	apple	iphone_os	< 14.5	Yes
Operating System	apple	tvos	< 14.5	Yes
Operating System	apple	watchos	< 7.4	Yes

References

https://support.apple.com/en-us/HT212317 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212323 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212324 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212317 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212323 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212324 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)