CVE-2021-1857 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

https://support.apple.com/en-us/HT212321 https://support.apple.com/en-us/HT212319 https://support.apple.com/en-us/HT212327 https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5