CVE-2021-30883

Known Exploited

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..

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
KEV Since 
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212869 vendor advisory
https://support.apple.com/en-us/HT212872 vendor advisory
https://support.apple.com/en-us/HT212846 vendor advisory
https://support.apple.com/en-us/HT212868 vendor advisory
https://support.apple.com/en-us/HT212874 vendor advisory
https://support.apple.com/en-us/HT212876 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30883?
CVE-2021-30883 has been scored as a high severity vulnerability.
How to fix CVE-2021-30883?
To fix CVE-2021-30883, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30883 being actively exploited in the wild?
It is confirmed that CVE-2021-30883 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30883?
CVE-2021-30883 affects Apple iOS and iPadOS, Apple iOS and iPadOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.
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