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CVE-2021-30869

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score83.7690%
EPSS Percentile95.19th
PublishedAug 24, 2021
Last ModifiedOct 23, 2025

Vulnerability 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.

Affected Platforms (CPE)

💻
Apple

Ipados

< 14.4
💻
Apple

Iphone Os

>= 12.0 and < 12.5.5
💻
Apple

Iphone Os

>= 14.0 and < 14.4
💻
Apple

Mac Os X

>= 10.14 and <= 10.14.6
💻
Apple

Mac Os X

>= 10.15 and <= 10.15.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.14.6
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Macos

>= 11.0 and < 11.2

References & Advisories

🔗 https://support.apple.com/en-us/HT212146
🔗 https://support.apple.com/en-us/HT212147
🔗 https://support.apple.com/en-us/HT212824
🔗 https://support.apple.com/en-us/HT212825
🔗 https://support.apple.com/en-us/HT212146
🔗 https://support.apple.com/en-us/HT212147
🔗 https://support.apple.com/en-us/HT212824
🔗 https://support.apple.com/en-us/HT212825

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