CVE-2021-1879 Information

Description

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2 iOS 14.4.2 and iPadOS 14.4.2 watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212256 https://support.apple.com/en-us/HT212257 https://support.apple.com/en-us/HT212258

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1