PT-2021-18920 · Apple · Ios+4

Published 2021-08-24 · Updated 2023-01-09 · CVE-2021-30859

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.8 iPadOS versions prior to 14.8 macOS Big Sur versions prior to 11.6 macOS Catalina versions prior to Security Update 2021-005

Description A type confusion issue was addressed with improved state handling, which may allow a malicious application to execute arbitrary code with kernel privileges.

Recommendations For iOS versions prior to 14.8, update to iOS 14.8 or later. For iPadOS versions prior to 14.8, update to iPadOS 14.8 or later. For macOS Big Sur versions prior to 11.6, update to macOS Big Sur 11.6 or later. For macOS Catalina versions prior to Security Update 2021-005, apply Security Update 2021-005 or later.

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2021-30859

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

References · 8

• https://osv.dev/vulnerability/CVE-2021-30859 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30859 · Security Note
• https://support.apple.com/en-us/HT212804 · Note
• https://support.apple.com/en-us/HT212807 · Note
• https://t.me/cvenotify/22814 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30859 · Note
• https://support.apple.com/en-us/HT212805 · Note
• https://support.apple.com/en-us/103147 · Note