// For flags

CVE-2021-30741

Apple Security Advisory 2021-05-25-1

Severity Score

7.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.

Se abordó un problema de uso de memoria previamente liberada con una administración de memoria mejorada. Este problema se corrigió en iOS versión 14.6 e iPadOS versión 14.6. El procesamiento de un mensaje de correo diseñado maliciosamente puede conllevar la modificación inesperada de la memoria o la finalización de la aplicación

iOS 14.6 and iPadOS 14.6 addresses buffer overflow, code execution, cross site scripting, denial of service, information leakage, null pointer, out of bounds read, and use-after-free vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2021-05-26 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
Ipados
Search vendor "Apple" for product "Ipados"
< 14.6
Search vendor "Apple" for product "Ipados" and version " < 14.6"
-
Affected
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
< 14.6
Search vendor "Apple" for product "Iphone Os" and version " < 14.6"
-
Affected