← Back to CVEs

CVE-2021-30869

HIGHCISA KEV

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published8/24/2021

Last Modified10/23/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorApple

ProductiOS, iPadOS, and macOS

Vulnerability NameApple iOS, iPadOS, and macOS Type Confusion Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

apple:ipadosapple:iphone_osapple:mac_os_xapple:macos

Weaknesses (CWE)

CWE-843CWE-843

References

https://support.apple.com/en-us/HT212146(product-security@apple.com)

https://support.apple.com/en-us/HT212147(product-security@apple.com)

https://support.apple.com/en-us/HT212824(product-security@apple.com)

https://support.apple.com/en-us/HT212825(product-security@apple.com)

https://support.apple.com/en-us/HT212146(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212147(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212824(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212825(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30869(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.