CVE-2021-30857

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.

CVSS v3 7.0 HIGH
CVSS v2.0 7.6 HIGH

7.0^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.6^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 4.9 / Impact : 10.0

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	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
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:mac_os_x::::::::
	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_update_2021-002::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

21 Nov 2024, 06:04

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT212804 -~~	() https://support.apple.com/en-us/HT212804 -
References	~~() https://support.apple.com/en-us/HT212805 -~~	() https://support.apple.com/en-us/HT212805 -
References	~~() https://support.apple.com/en-us/HT212807 -~~	() https://support.apple.com/en-us/HT212807 -
References	~~() https://support.apple.com/en-us/HT212814 -~~	() https://support.apple.com/en-us/HT212814 -
References	~~() https://support.apple.com/en-us/HT212815 -~~	() https://support.apple.com/en-us/HT212815 -
References	~~() https://support.apple.com/en-us/HT212819 -~~	() https://support.apple.com/en-us/HT212819 -

01 Nov 2021, 13:44

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:::::: cpe:2.3:o:apple:mac_os_x:::::::: cpe:2.3:o:apple:tvos:::::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:::::: cpe:2.3:o:apple:watchos:::::::: cpe:2.3:o:apple:iphone_os:::::::: 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_update_2020-001:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:-:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:ipad_os::::::::
CWE		CWE-362
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.6 v3 : 7.0
References	~~(MISC) https://support.apple.com/en-us/HT212814 -~~	(MISC) https://support.apple.com/en-us/HT212814 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212815 -~~	(MISC) https://support.apple.com/en-us/HT212815 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212804 -~~	(MISC) https://support.apple.com/en-us/HT212804 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212819 -~~	(MISC) https://support.apple.com/en-us/HT212819 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212805 -~~	(MISC) https://support.apple.com/en-us/HT212805 - Vendor Advisory
References	~~(MISC) https://support.apple.com/en-us/HT212807 -~~	(MISC) https://support.apple.com/en-us/HT212807 - Vendor Advisory

28 Oct 2021, 19:15

Type	Values Removed	Values Added
Summary	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.
References		(MISC) https://support.apple.com/en-us/HT212814 - (MISC) https://support.apple.com/en-us/HT212804 - (MISC) https://support.apple.com/en-us/HT212819 - (MISC) https://support.apple.com/en-us/HT212815 - (MISC) https://support.apple.com/en-us/HT212805 - (MISC) https://support.apple.com/en-us/HT212807 -

24 Aug 2021, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-24 19:15

Updated : 2024-11-21 06:04

NVD link : CVE-2021-30857

Mitre link : CVE-2021-30857

CVE.ORG link : CVE-2021-30857

JSON object : View

Products Affected

apple

iphone_os
watchos
mac_os_x
tvos
macos
ipados

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

7.0 /10