Vulnerability Monitor

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CVE-2021-1834

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

Published

2021-09-08T15:15:10.563

Last Modified

2024-11-21T05:45:11.967

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

10.0

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 Yes
Operating System apple mac_os_x 10.14.0 Yes
Operating System apple mac_os_x 10.14.1 Yes
Operating System apple mac_os_x 10.14.2 Yes
Operating System apple mac_os_x 10.14.3 Yes
Operating System apple mac_os_x 10.14.4 Yes
Operating System apple mac_os_x 10.14.4 Yes
Operating System apple mac_os_x 10.14.5 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 Yes
Operating System apple mac_os_x 10.15.1 Yes
Operating System apple mac_os_x 10.15.2 Yes
Operating System apple mac_os_x 10.15.3 Yes
Operating System apple mac_os_x 10.15.4 Yes
Operating System apple mac_os_x 10.15.5 Yes
Operating System apple mac_os_x 10.15.6 Yes
Operating System apple mac_os_x 10.15.6 Yes
Operating System apple mac_os_x 10.15.6 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 macos < 11.3 Yes
References