Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30736

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

Published

2021-09-08T14:15:09.293

Last Modified

2024-11-21T06:04:36.810

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-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.6	Yes
Operating System	apple	iphone_os	< 14.6	Yes
Operating System	apple	macos	< 11.4	Yes
Operating System	apple	tvos	< 14.6	Yes
Operating System	apple	watchos	< 7.5	Yes

References

https://support.apple.com/en-us/HT212528 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212529 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212532 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212533 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212528 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212529 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212532 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212533 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)