NVD

CVE-2021-30857 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.0 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.6 HIGH

Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212807
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212819

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

CVE Modified by Apple Inc. 11/06/2023 10:33:33 PM

Action	Type	Old Value	New Value
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212804 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212805 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212807 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212814 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212815 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212819 [No types assigned]
Removed	Reference	MITRE https://support.apple.com/en-us/HT212804
Removed	Reference	MITRE https://support.apple.com/en-us/HT212805
Removed	Reference	MITRE https://support.apple.com/en-us/HT212807
Removed	Reference	MITRE https://support.apple.com/en-us/HT212814
Removed	Reference	MITRE https://support.apple.com/en-us/HT212815
Removed	Reference	MITRE https://support.apple.com/en-us/HT212819

Initial Analysis by NIST 11/01/2021 9:44:23 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 996 characters. View Entire Change Record OR cpe:2.3:o:apple:ipad_os::::::::* versions up to (excluding) 15.0 cpe:2.3:o:apple:iphone_os::::::::* versions up to (excluding) 15.0 cpe:2.3:o:apple:mac_os_x::::::::* versions up to (excluding) 10.15.7 cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::* cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::* cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001::::::* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_upda
Added	CVSS V2		NIST (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism
Added	CVSS V3.1		NIST AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-362
Changed	Reference Type	https://support.apple.com/en-us/HT212804 No Types Assigned	https://support.apple.com/en-us/HT212804 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212805 No Types Assigned	https://support.apple.com/en-us/HT212805 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212807 No Types Assigned	https://support.apple.com/en-us/HT212807 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212814 No Types Assigned	https://support.apple.com/en-us/HT212814 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212815 No Types Assigned	https://support.apple.com/en-us/HT212815 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212819 No Types Assigned	https://support.apple.com/en-us/HT212819 Vendor Advisory

CVE Modified by MITRE 10/28/2021 3:15:09 PM

Action	Type	Old Value	New Value
Changed	Description	REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none.	A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Added	Reference		https://support.apple.com/en-us/HT212804 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212805 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212807 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212814 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212815 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212819 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2021-30857
NVD Published Date:
08/24/2021
NVD Last Modified:
11/06/2023
Source:
Apple Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-30857 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Apple Inc. 5/14/2024 4:58:23 AM

CVE Modified by Apple Inc. 11/06/2023 10:33:33 PM

CVE Source Update by Apple Inc. 11/06/2023 10:33:33 PM

CPE Deprecation Remap by NIST 1/09/2023 11:41:59 AM

Initial Analysis by NIST 11/01/2021 9:44:23 AM

CVE Modified by MITRE 10/28/2021 3:15:09 PM

CVE Unrejected by MITRE 10/28/2021 3:15:09 PM

CVE Rejected by MITRE 8/24/2021 3:15:14 PM

Quick Info