NVD

CVE-2021-30937 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 memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. 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: 7.8 HIGH

Vector: CVSS:3.1/AV:L/AC:L/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: 9.3 HIGH

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212979
https://support.apple.com/en-us/HT212980
https://support.apple.com/en-us/HT212981

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

CVE Modified by Apple Inc. 11/06/2023 10:33:56 PM

Action	Type	Old Value	New Value
Added	Reference		Apple Inc. http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212975 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212976 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212978 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212979 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212980 [No types assigned]
Added	Reference		Apple Inc. https://support.apple.com/en-us/HT212981 [No types assigned]
Removed	Reference	MITRE http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html
Removed	Reference	MITRE https://support.apple.com/en-us/HT212975
Removed	Reference	MITRE https://support.apple.com/en-us/HT212976
Removed	Reference	MITRE https://support.apple.com/en-us/HT212978
Removed	Reference	MITRE https://support.apple.com/en-us/HT212979
Removed	Reference	MITRE https://support.apple.com/en-us/HT212980
Removed	Reference	MITRE https://support.apple.com/en-us/HT212981

Initial Analysis by NIST 12/29/2021 8:55:01 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1294 characters. View Entire Change Record OR cpe:2.3:o:apple:ipados::::::::* versions up to (excluding) 15.2 cpe:2.3:o:apple:iphone_os::::::::* versions up to (excluding) 15.2 cpe:2.3:o:apple:mac_os_x::::::::* versions from (including) 10.15 up to (including) 10.15.7 cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020::::::* 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_2020-005::::::* *cpe:2
Added	CVSS V2		NIST (AV:N/AC:M/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:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-787
Changed	Reference Type	https://support.apple.com/en-us/HT212975 No Types Assigned	https://support.apple.com/en-us/HT212975 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212976 No Types Assigned	https://support.apple.com/en-us/HT212976 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212978 No Types Assigned	https://support.apple.com/en-us/HT212978 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212979 No Types Assigned	https://support.apple.com/en-us/HT212979 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212980 No Types Assigned	https://support.apple.com/en-us/HT212980 Vendor Advisory
Changed	Reference Type	https://support.apple.com/en-us/HT212981 No Types Assigned	https://support.apple.com/en-us/HT212981 Vendor Advisory

CVE Modified by MITRE 12/23/2021 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 memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.
Added	Reference		https://support.apple.com/en-us/HT212975 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212976 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212978 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212979 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212980 [No Types Assigned]
Added	Reference		https://support.apple.com/en-us/HT212981 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2021-30937
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-2021-30937 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 4:58:33 AM

CVE Modified by Apple Inc. 11/06/2023 10:33:56 PM

CVE Source Update by Apple Inc. 11/06/2023 10:33:56 PM

Modified Analysis by NIST 4/01/2022 10:47:39 AM

CVE Modified by MITRE 1/06/2022 3:15:08 PM

Initial Analysis by NIST 12/29/2021 8:55:01 AM

CVE Modified by MITRE 12/23/2021 3:15:09 PM

CVE Unrejected by MITRE 12/23/2021 3:15:09 PM

CVE Rejected by MITRE 8/24/2021 3:15:20 PM

Quick Info