Vulnerability Monitor

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CVE-2021-30869

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Published

2021-08-24T19:15:15.080

Last Modified

2025-03-13T20:02:16.807

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-843
  • Type: Secondary
    CWE-843
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple ipados < 14.4 Yes
Operating System apple iphone_os < 12.5.5 Yes
Operating System apple iphone_os < 14.4 Yes
Operating System apple mac_os_x ≤ 10.14.6 Yes
Operating System apple mac_os_x ≤ 10.15.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.14.6 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple macos < 11.2 Yes
References