Vulnerability Monitor

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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.

Published

2021-09-08T14:15:09.723

Last Modified

2024-11-21T06:04:38.130

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.7	Yes
Operating System	apple	iphone_os	< 14.7	Yes
Operating System	apple	macos	< 11.5	Yes
Operating System	apple	tvos	< 14.7	Yes

References

https://support.apple.com/en-us/HT212601 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212602 Vendor Advisory ([email protected])
https://support.apple.com/kb/HT212604 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212601 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212602 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212604 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)