Vulnerability Monitor

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CVE-2021-30883

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Published

2021-08-24T19:15:16.403

Last Modified

2025-03-07T16:28:22.520

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-787
  • Type: Secondary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple ipados < 14.8.1 Yes
Operating System apple ipados < 15.0.2 Yes
Operating System apple iphone_os < 14.8.1 Yes
Operating System apple iphone_os < 15.0.2 Yes
Operating System apple macos < 11.6.1 Yes
Operating System apple macos 12.0 Yes
Operating System apple tvos < 15.1 Yes
Operating System apple watchos < 8.1 Yes
References