Vulnerability Monitor

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CVE-2021-30773

An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.

Published

2021-09-08T14:15:10.710

Last Modified

2024-11-21T06:04:41.267

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

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)