CVEvulnerability

CVE-2021-30857

7.0 HIGH Published 2021-08-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.6 HIGH — AV:N/AC:H/Au:N/C:C/I:C/A:C
Weaknesses
CWE-362

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.

Affected configurations

• apple ipados (< 15.0) • apple iphone os (< 15.0) • apple mac os x (< 10.15.7) • apple mac os x 10.15.7 • apple macos (>= 11.0 < 11.6) • apple tvos (< 15.0) • apple watchos (< 8.0)

Related

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References