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CVE-2021-30807

HIGHCISA KEV

7.8

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

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

Published10/19/2021

Last Modified10/23/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorApple

ProductMultiple Products

Vulnerability NameApple Multiple Products Memory Corruption Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

apple:ipadosapple:iphone_osapple:macosapple:watchos

Weaknesses (CWE)

CWE-787CWE-787

References

https://support.apple.com/en-us/HT212622(product-security@apple.com)

https://support.apple.com/en-us/HT212623(product-security@apple.com)

https://support.apple.com/en-us/HT212713(product-security@apple.com)

https://support.apple.com/en-us/HT212622(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212623(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212713(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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