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CVE-2021-1884

nvd nist
Published: Sep 8, 2021Modified: Nov 21, 2024

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5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.

Affected (34)

Apple
6 products
Ipados
Iphone Os
Mac Os X
Macos
Tvos
Watchos
Configuration A
34 vulnerable
Vulnerable SoftwareAffected Versions
Ipados
Before 14.5
Iphone Os
Before 14.5
Apple
Mac Os X
From 10.14.0 to 10.14.6
Mac Os X
From 10.15 to 10.15.7
Mac Os X
Version 10.14.6
Mac Os X
Version 10.14.6 security_update_2019-001
Mac Os X
Version 10.14.6 security_update_2019-002
Mac Os X
Version 10.14.6 security_update_2019-004
Mac Os X
Version 10.14.6 security_update_2019-005
Mac Os X
Version 10.14.6 security_update_2019-006
Mac Os X
Version 10.14.6 security_update_2019-007
Mac Os X
Version 10.14.6 security_update_2020-001
Mac Os X
Version 10.14.6 security_update_2020-002
Mac Os X
Version 10.14.6 security_update_2020-003
Mac Os X
Version 10.14.6 security_update_2020-004
Mac Os X
Version 10.14.6 security_update_2020-005
Mac Os X
Version 10.14.6 security_update_2020-006
Mac Os X
Version 10.14.6 security_update_2020-007
Mac Os X
Version 10.14.6 security_update_2021-001
Mac Os X
Version 10.14.6 security_update_2021-002
Mac Os X
Version 10.14.6 security_update_2021-003
Mac Os X
Version 10.14.6 supplemental_update
Mac Os X
Version 10.14.6 supplemental_update_2
Mac Os X
Version 10.15.7
Mac Os X
Version 10.15.7 security_update_2020-001
Mac Os X
Version 10.15.7 security_update_2020-005
Mac Os X
Version 10.15.7 security_update_2020-007
Mac Os X
Version 10.15.7 security_update_2020
Mac Os X
Version 10.15.7 security_update_2021-001
Mac Os X
Version 10.15.7 security_update_2021-002
Mac Os X
Version 10.15.7 supplemental_update
Macos
From 11.0 to 11.3
Tvos
Before 14.5
Watchos
Before 7.4

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence 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 that is operating concurrently.

References (12)

Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.