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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-30869 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.apple.com/en-us/HT212146 Apple Inc., CVE Vendor Advisory 
https://support.apple.com/en-us/HT212147 Apple Inc., CVE Vendor Advisory 
https://support.apple.com/en-us/HT212824 Apple Inc., CVE Vendor Advisory 
https://support.apple.com/en-us/HT212825 Apple Inc., CVE Vendor Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Apple iOS, iPadOS, and macOS Type Confusion Vulnerability 11/03/2021 11/17/2021 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-30869
NVD Published Date:
08/24/2021
NVD Last Modified:
03/13/2025
Source:
Apple Inc.