CVE-2021-30916

high

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

References

https://support.apple.com/en-us/HT212868

https://support.apple.com/en-us/HT212869

https://support.apple.com/en-us/HT212867

https://support.apple.com/en-us/HT212871

https://support.apple.com/en-us/HT212872

https://support.apple.com/kb/HT212975

https://support.apple.com/kb/HT212980

http://seclists.org/fulldisclosure/2021/Dec/43

http://seclists.org/fulldisclosure/2021/Dec/44

Details

Source: MITRE

Published: 2021-08-24

Updated: 2022-04-01

Type: CWE-787

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH