// For flags

CVE-2021-30900

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

-
*SSVC
Descriptions

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.

Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema se corrigió en iOS versión 14.8.1 y iPadOS versión 14.8.1, iOS versión 15.1 y iPadOS versión 15.1. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios del kernel

Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2021-08-24 CVE Published
  • 2023-03-30 Exploited in Wild
  • 2023-04-20 KEV Due Date
  • 2024-07-30 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
Ipad Os
Search vendor "Apple" for product "Ipad Os"
< 14.8.1
Search vendor "Apple" for product "Ipad Os" and version " < 14.8.1"
-
Affected
Apple
Search vendor "Apple"
Ipados
Search vendor "Apple" for product "Ipados"
15.0
Search vendor "Apple" for product "Ipados" and version "15.0"
-
Affected
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
< 14.8.1
Search vendor "Apple" for product "Iphone Os" and version " < 14.8.1"
-
Affected
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
15.0
Search vendor "Apple" for product "Iphone Os" and version "15.0"
-
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
< 11.6.1
Search vendor "Apple" for product "Macos" and version " < 11.6.1"
-
Affected