CVE-2021-30807

high

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

References

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://support.apple.com/en-us/HT212713

https://support.apple.com/en-us/HT212623

https://support.apple.com/en-us/HT212622

Details

Source: Mitre, NVD

Published: 2021-10-19

Updated: 2023-08-08

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High