CVE-2021-30900

HIGHCISA KEV

7.8

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.

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 Out-of-Bounds Write Vulnerability

KEV Date Added2023-03-30

Remediation Due Date2023-04-20

Ransomware UseUnknown

Affected Products

apple:ipadosapple:iphone_osapple:macos

Weaknesses (CWE)

CWE-787CWE-787

References

https://support.apple.com/en-us/HT212867(product-security@apple.com)

https://support.apple.com/en-us/HT212868(product-security@apple.com)

https://support.apple.com/kb/HT212872(product-security@apple.com)

https://support.apple.com/en-us/HT212867(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212868(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/kb/HT212872(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30900(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.