CVE-2021-30773

View on CVE.org

Published Sep 8, 2021 CVSS 3.1 · 5.5 Medium EPSS 1.1% KEV · Not listed

Description

An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.

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

tvOS

affected

Version	Status	Constraints
`unspecified`	affected	< 14.7

Apple

watchOS

affected

Version	Status	Constraints
`unspecified`	affected	< 7.6

Configuration 1 [-]

OR	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-17690	An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.097% 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/HT212604
https://support.apple.com/en-us/HT212605

History

No history.

Subscriptions

Apple Iphone Os Tvos Watchos

Weaknesses

NVD-CWE-noinfo

Sources

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

Status: PUBLISHED
Assigner: apple
Published: Sep 8, 2021, 1:47 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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