Vulnerability Monitor

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CVE-2021-30766

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Published

2021-09-08T14:15:10.467

Last Modified

2024-11-21T06:04:40.297

Status

Modified

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
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple mac_os_x ≤ 10.14.5 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 10.14.6 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 macos < 11.5 Yes
References