CVE-2021-1857

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Se abordó un problema de inicialización de memoria con un manejo de la memoria mejorada. Este problema se corrigió en iTunes versión 12.11.3 para Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud para Windows versión 12.3, macOS Big Sur versión 11.3, watchOS versión 7.4, tvOS versión 14.5, iOS versión 14.5 e iPadOS versión 14.5. El procesamiento de contenido web maliciosamente diseñado puede divulgar información confidencial del usuario

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-08 CVE Reserved
2021-04-28 CVE Published
2024-05-24 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-665: Improper Initialization

CAPEC

References (8)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT212317	2021-09-16
https://support.apple.com/en-us/HT212319	2021-09-16
https://support.apple.com/en-us/HT212321	2021-09-16
https://support.apple.com/en-us/HT212323	2021-09-16
https://support.apple.com/en-us/HT212324	2021-09-16
https://support.apple.com/en-us/HT212325	2021-09-16
https://support.apple.com/en-us/HT212326	2021-09-16
https://support.apple.com/en-us/HT212327	2021-09-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Icloud Search vendor "Apple" for product "Icloud"				< 12.3 Search vendor "Apple" for product "Icloud" and version " < 12.3"		windows		Affected
Apple Search vendor "Apple"		Itunes Search vendor "Apple" for product "Itunes"				< 12.11.3 Search vendor "Apple" for product "Itunes" and version " < 12.11.3"		windows		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 14.5 Search vendor "Apple" for product "Ipados" and version " < 14.5"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 14.5 Search vendor "Apple" for product "Iphone Os" and version " < 14.5"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14 Search vendor "Apple" for product "Mac Os X" and version "10.14"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.0 Search vendor "Apple" for product "Mac Os X" and version "10.14.0"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.1 Search vendor "Apple" for product "Mac Os X" and version "10.14.1"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.2 Search vendor "Apple" for product "Mac Os X" and version "10.14.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.3 Search vendor "Apple" for product "Mac Os X" and version "10.14.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.4 Search vendor "Apple" for product "Mac Os X" and version "10.14.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.4 Search vendor "Apple" for product "Mac Os X" and version "10.14.4"		beta4		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.5 Search vendor "Apple" for product "Mac Os X" and version "10.14.5"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-001		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-002		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-004		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-005		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-006		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-007		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-001		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-002		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-003		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-004		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-005		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-006		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2020-007		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2021-001		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2021-002		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15 Search vendor "Apple" for product "Mac Os X" and version "10.15"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.1 Search vendor "Apple" for product "Mac Os X" and version "10.15.1"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.2 Search vendor "Apple" for product "Mac Os X" and version "10.15.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.3 Search vendor "Apple" for product "Mac Os X" and version "10.15.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.4 Search vendor "Apple" for product "Mac Os X" and version "10.15.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.5 Search vendor "Apple" for product "Mac Os X" and version "10.15.5"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.6 Search vendor "Apple" for product "Mac Os X" and version "10.15.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.6 Search vendor "Apple" for product "Mac Os X" and version "10.15.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.6 Search vendor "Apple" for product "Mac Os X" and version "10.15.6"		supplemental_update		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		security_update_2020		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		security_update_2020-001		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		security_update_2020-005		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		security_update_2020-007		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7"		security_update_2021-001		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 11.0 < 11.3 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.3"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 14.5 Search vendor "Apple" for product "Tvos" and version " < 14.5"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 7.4 Search vendor "Apple" for product "Watchos" and version " < 7.4"		-		Affected