Vulnerability Monitor

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CVE-2021-30770

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Published

2021-09-08T14:15:10.627

Last Modified

2024-11-21T06:04:40.860

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: COMPLETE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	iphone_os	< 14.7	Yes
Operating System	apple	tvos	< 14.7	Yes
Operating System	apple	watchos	< 7.6	Yes

References

https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)