CVE-2021-30652 : A race condition was addressed with additional validation. This issue is fixed i

A race condition was addressed with additional validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to gain root privileges.

Published 2021-09-08 15:15:13

Updated 2021-09-20 15:19:20

Source Apple Inc.

View at NVD, CVE.org

Products affected by CVE-2021-30652

Apple » Mac Os X
Versions from including (>=) 10.14 and up to, including, (<=) 10.14.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Matching versions
Apple » Mac Os X
Versions from including (>=) 10.15 and up to, including, (<=) 10.15.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-006
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-007
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-003
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-004
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-005
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-006
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-007
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update 2
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-001
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Supplemental Update
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-004
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-005
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-005
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-007
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-001
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.6
cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.6 Update Supplemental Update
cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7
cpe:2.3:o:apple:mac_os_x:10.15.7:*:*:*:*:*:*:*
Matching versions
Apple » Iphone Os
Versions before (<) 14.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Matching versions
Apple » Watchos
Versions before (<) 7.4
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Matching versions
Apple » Tvos
Versions before (<) 14.5
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Matching versions
Apple » Macos
Versions from including (>=) 11.0 and before (<) 11.3
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Matching versions
Apple » Ipados
Versions before (<) 14.5
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-30652

EPSS FAQ

0.14%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30652

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.6	HIGH	AV:N/AC:H/Au:N/C:C/I:C/A:C	4.9	10.0	NIST
Access Vector: Network Access Complexity: High Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H	1.0	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-30652

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

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-30652

https://support.apple.com/en-us/HT212317

About the security content of iOS 14.5 and iPadOS 14.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212323

About the security content of tvOS 14.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212327

About the security content of Security Update 2021-003 Mojave - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212326

About the security content of Security Update 2021-002 Catalina - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212325

About the security content of macOS Big Sur 11.3 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212324

About the security content of watchOS 7.4 - Apple Support
Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2021-30652

Products affected by CVE-2021-30652

Exploit prediction scoring system (EPSS) score for CVE-2021-30652

CVSS scores for CVE-2021-30652

CWE ids for CVE-2021-30652

References for CVE-2021-30652