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VULNERABILITIES

CVE-2021-30922 Details

Description

Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://support.apple.com/en-us/HT212872 CVE
https://support.apple.com/kb/HT212869 CVE
https://support.apple.com/kb/HT212871 CVE
https://support.apple.com/en-us/HT212872 [email protected]
https://support.apple.com/kb/HT212869 [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
apple mac os x
>= 10.15, < 10.15.7
10.15.7 -
10.15.7 security_update_2020
10.15.7 security_update_2020-001
10.15.7 security_update_2020-005

CPE

  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
  • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple macos
< 11.6.1
12.0.0

CPE

  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

13 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-30922
NVD Published Date:
Aug 24, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-30922 Details - Not Deferred