CVE-2021-30869

CVE Published 2021-08-24
Related CWE(s) CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Related Vendor(s) apple
Related Product(s) mac_os_x, ipados, iphone_os, macos
Exploitation Reported (CISA KEV) 2021-11-03
CVSS 3 Base Score 7.8 (HIGH)
CVSS 3 Attack Complexity LOW
CVSS 3 Attack Vector LOCAL

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.

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References