CVE-2021-30900

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30900
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. 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 NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212868
https://support.apple.com/kb/HT212872
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
History

07 Nov 2023, 03:33

Type Values Removed Values Added
References (CONFIRM) https://support.apple.com/kb/HT212872 - Vendor Advisory () https://support.apple.com/kb/HT212872 -
References (MISC) https://support.apple.com/en-us/HT212868 - Vendor Advisory () https://support.apple.com/en-us/HT212868 -
References (MISC) https://support.apple.com/en-us/HT212867 - Vendor Advisory () https://support.apple.com/en-us/HT212867 -

09 Jan 2023, 16:41

Type Values Removed Values Added
First Time Apple ipados
CPE cpe:2.3:o:apple:ipad_os:15.0:*:*:*:*:*:*:* cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*

11 Feb 2022, 14:49

Type Values Removed Values Added
References (CONFIRM) https://support.apple.com/kb/HT212872 - (CONFIRM) https://support.apple.com/kb/HT212872 - Vendor Advisory
CPE cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
First Time Apple macos

20 Jan 2022, 21:15

Type Values Removed Values Added
References
  • (CONFIRM) https://support.apple.com/kb/HT212872 -

02 Nov 2021, 15:01

Type Values Removed Values Added
CWE CWE-787
CVSS v2 : unknown
v3 : unknown 		v2 : 9.3
v3 : 7.8
CPE cpe:2.3:o:apple:ipad_os:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
References (MISC) https://support.apple.com/en-us/HT212867 - (MISC) https://support.apple.com/en-us/HT212867 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212868 - (MISC) https://support.apple.com/en-us/HT212868 - Vendor Advisory

28 Oct 2021, 19:15

Type Values Removed Values Added
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
References
  • (MISC) https://support.apple.com/en-us/HT212867 -
  • (MISC) https://support.apple.com/en-us/HT212868 -

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-2021-30900

Mitre link : CVE-2021-30900

CVE.ORG link : CVE-2021-30900

JSON object : View

Products Affected

apple

  • iphone_os
  • ipad_os
  • macos
  • ipados
CWE
CWE-787

Out-of-bounds Write