PT-2021-18914 · Apple · Ios+4

3Ndy1 + 1 · Published 2021-08-24 · Updated 2023-01-09 · CVE-2021-30852

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.8 iPadOS versions prior to 14.8 tvOS versions prior to 15 watchOS versions prior to 8 iOS versions prior to 15 iPadOS versions prior to 15

Description A type confusion issue was addressed with improved memory handling. Processing maliciously crafted web content may lead to arbitrary code execution.

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 tvOS versions prior to 15, update to tvOS 15 or later. For watchOS versions prior to 8, update to watchOS 8 or later. For iOS versions prior to 15, update to iOS 15 or later. For iPadOS versions prior to 15, update to iPadOS 15 or later.

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2021-30852

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 12

• https://osv.dev/vulnerability/CVE-2021-30852 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30852 · Security Note
• https://support.apple.com/kb/HT212953 · Note
• https://support.apple.com/en-us/HT212807 · Note
• https://support.apple.com/en-us/103236 · Note
• https://support.apple.com/en-us/HT212814 · Note
• https://support.apple.com/kb/HT212869 · Note
• https://support.apple.com/en-us/HT212815 · Note
• https://support.apple.com/en-us/HT212869 · Note
• https://support.apple.com/en-us/HT212819 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30852 · Note
• https://t.me/cvenotify/22796 · Telegram Post