CVE-2021-30859

HIGH

iOS <14.8 - Privilege Escalation

Title source: llm
STIX 2.1

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212804
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212805
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212807

Scores

CVSS v3 7.8
EPSS 0.0027
EPSS Percentile 50.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-843
Status published
Products (5)
apple/ipados < 14.8
apple/iphone_os < 14.8
apple/mac_os_x 10.15.7 (7 CPE variants)
apple/mac_os_x < 10.15.7
apple/macos 11.0 - 11.6
Published Aug 24, 2021
Tracked Since Feb 18, 2026