CVE-2021-30883

high

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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://support.apple.com/en-us/HT212876

https://support.apple.com/en-us/HT212874

https://support.apple.com/en-us/HT212846

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

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

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

Details

Source: MITRE

Published: 2021-08-24

Updated: 2021-11-01

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