// For flags

CVE-2021-30826

Apple Security Advisory 2021-10-26-9

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A logic issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. In certain situations, the baseband would fail to enable integrity and ciphering protection.

Se abordó un problema de lógica con una administración de estados mejorada. Este problema es corregido en iOS versión 15 y iPadOS versión 15. En determinadas situaciones, la banda base no podía habilitar la protección de integridad y cifrado

iOS 15 and iPadOS 15 addresses code execution, denial of service, out of bounds read, spoofing, and use-after-free vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2021-09-22 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-04-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
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"
 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"
 < 15.0
Search vendor "Apple" for product "Iphone Os" and version " < 15.0"
-
Affected