CVE-2021-30748

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Published Sep 8, 2021 CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

iOS

affected

Version	Status	Constraints
`unspecified`	affected	< 14.7

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< 11.5

Configuration 1 [-]

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-17665	A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.351% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.apple.com/en-us/HT212601
https://support.apple.com/en-us/HT212602
https://support.apple.com/kb/HT212604

History

No history.

Subscriptions

Apple Ipados Iphone Os Macos Tvos

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 3, 2024, 10:40 PM

Status: PUBLISHED
Assigner: apple
Published: Sep 8, 2021, 1:44 PM
Updated: Aug 3, 2024, 10:40 PM
Reserved: Apr 13, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:50 AM

Status: Modified
Published: Sep 8, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:50 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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