CVE-2021-30869

Known Exploited

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.23% Top 15%
KEV Since 
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212147 vendor advisory
https://support.apple.com/en-us/HT212146 vendor advisory
https://support.apple.com/en-us/HT212824 vendor advisory
https://support.apple.com/en-us/HT212825 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30869?
CVE-2021-30869 has been scored as a high severity vulnerability.
How to fix CVE-2021-30869?
To fix CVE-2021-30869, 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-2021-30869 being actively exploited in the wild?
It is confirmed that CVE-2021-30869 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30869?
CVE-2021-30869 affects Apple iOS and iPadOS, Apple macOS, Apple macOS, Apple macOS.
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