CVE-2020-9959

Apple Security Advisory 2020-11-13-3

Severity Score

2.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A lock screen issue allowed access to messages on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.0 and iPadOS 14.0. A person with physical access to an iOS device may be able to view notification contents from the lockscreen.

Un problema de la pantalla de bloqueo permitió el acceso a los mensajes en un dispositivo bloqueado. Este problema es corregido con una administración de estado mejorada. Este problema es corregido en iOS versión 14.0 e iPadOS versión 14.0. Una persona con acceso físico a un dispositivo iOS puede visualizar el contenido de las notificaciones desde la pantalla de bloqueo

Updates for iOS 14.0 and iPadOS 14.0 address buffer overflow, code execution, cross site scripting, denial of service, information leakage, out of bounds read, out of bounds write, spoofing, and use-after-free vulnerabilities.

*Credits: N/A

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-02 CVE Reserved
2020-09-18 CVE Published
2024-08-04 CVE Updated
2025-04-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-667: Improper Locking

CAPEC

References (2)

URL	Tag	Source
http://seclists.org/fulldisclosure/2020/Nov/20	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT211850	2023-01-09

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"				< 14.0 Search vendor "Apple" for product "Ipados" and version " < 14.0"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 14.0 Search vendor "Apple" for product "Iphone Os" and version " < 14.0"		-		Affected