CVE-2021-30922

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30922
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://support.apple.com/en-us/HT212872
https://support.apple.com/kb/HT212869
https://support.apple.com/kb/HT212871
Configurations

Configuration 1 (hide)

OR 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:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*
History

07 Nov 2023, 03:33

Type Values Removed Values Added
References (CONFIRM) https://support.apple.com/kb/HT212869 - Vendor Advisory () https://support.apple.com/kb/HT212869 -
References (CONFIRM) https://support.apple.com/kb/HT212871 - Vendor Advisory () https://support.apple.com/kb/HT212871 -
References (MISC) https://support.apple.com/en-us/HT212872 - Vendor Advisory () https://support.apple.com/en-us/HT212872 -

11 Oct 2022, 19:40

Type Values Removed Values Added
References (CONFIRM) https://support.apple.com/kb/HT212869 - Release Notes, Vendor Advisory (CONFIRM) https://support.apple.com/kb/HT212869 - Vendor Advisory
References (CONFIRM) https://support.apple.com/kb/HT212871 - (CONFIRM) https://support.apple.com/kb/HT212871 - Vendor Advisory
First Time Apple mac Os X
CPE cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*
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_2021-002:*:*:*:*:*:*
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:security_update_2021-001:*:*:*:*:*:*
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_2021-003:*:*:*:*:*:*
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:supplemental_update:*:*:*:*:*:*

26 May 2022, 06:15

Type Values Removed Values Added
References
  • (CONFIRM) https://support.apple.com/kb/HT212871 -

13 May 2022, 17:14

Type Values Removed Values Added
References (CONFIRM) https://support.apple.com/kb/HT212869 - (CONFIRM) https://support.apple.com/kb/HT212869 - Release Notes, Vendor Advisory

01 Apr 2022, 07:15

Type Values Removed Values Added
References
  • (CONFIRM) https://support.apple.com/kb/HT212869 -

24 Mar 2022, 20:33

Type Values Removed Values Added
References (MISC) https://support.apple.com/en-us/HT212872 - (MISC) https://support.apple.com/en-us/HT212872 - Vendor Advisory
First Time Apple
Apple macos
CPE cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.2
v3 : 7.8
CWE CWE-787

23 Mar 2022, 20:15

Type Values Removed Values Added
References
  • (MISC) https://support.apple.com/en-us/HT212872 -
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. 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.

24 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-24 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30922

Mitre link : CVE-2021-30922

CVE.ORG link : CVE-2021-30922

JSON object : View

Products Affected

apple

  • mac_os_x
  • macos
CWE
CWE-787

Out-of-bounds Write