// For flags

CVE-2021-30807

Apple Multiple Products Memory Corruption 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

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

Se abordó un problema de corrupción de memoria con un manejo de memoria mejorado. Este problema es corregido en macOS Big Sur versión 11.5.1, iOS versión 14.7.1 y iPadOS versión 14.7.1, watchOS versión 7.6.1. Una aplicación puede ser capaz de ejecutar código arbitrario con privilegios del kernel. Apple tiene conocimiento de un informe que indica que este problema puede haber sido explotado activamente

Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an 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
  • 2021-10-19 CVE Published
  • 2021-11-03 Exploited in Wild
  • 2021-11-17 KEV Due Date
  • 2024-07-04 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"
 < 14.7.1
Search vendor "Apple" for product "Ipad Os" and version " < 14.7.1"
-
Affected
Apple
Search vendor "Apple"
 Iphone Os
Search vendor "Apple" for product "Iphone Os"
 < 14.7.1
Search vendor "Apple" for product "Iphone Os" and version " < 14.7.1"
-
Affected
Apple
Search vendor "Apple"
 Macos
Search vendor "Apple" for product "Macos"
 < 11.5.1
Search vendor "Apple" for product "Macos" and version " < 11.5.1"
-
Affected
Apple
Search vendor "Apple"
 Watchos
Search vendor "Apple" for product "Watchos"
 < 7.6.1
Search vendor "Apple" for product "Watchos" and version " < 7.6.1"
-
Affected