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CVE-2020-27932

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score49.5490%
EPSS Percentile85.99th
PublishedDec 8, 2020
Last ModifiedOct 27, 2025

Vulnerability Description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected Platforms (CPE)

📦
Apple

Icloud

< 11.5
📦
Apple

Itunes

< 12.11
💻
Apple

Ipados

< 14.2
💻
Apple

Iphone Os

< 12.4.9
💻
Apple

Iphone Os

>= 14.0 and < 14.2
💻
Apple

Mac Os X

< 10.15.7
💻
Apple

Macos

>= 11.0 and < 11.0.1
💻
Apple

Watchos

< 5.3.9
💻
Apple

Watchos

>= 6.0 and < 6.2.9
💻
Apple

Watchos

>= 7.0 and < 7.1

References & Advisories

🔗 http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html
🔗 http://seclists.org/fulldisclosure/2020/Dec/32
🔗 https://support.apple.com/en-us/HT211928
🔗 https://support.apple.com/en-us/HT211929
🔗 https://support.apple.com/en-us/HT211931
🔗 https://support.apple.com/en-us/HT211940
🔗 https://support.apple.com/en-us/HT211944
🔗 https://support.apple.com/en-us/HT211945

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