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CVE-2021-1879

nvd nist
Published: Apr 2, 2021Modified: Oct 23, 2025CISA KEV

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6.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.8 / Impact: 2.7
Source: NVD

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..

Affected (4)

Apple
3 products
Ipados
Iphone Os
Watchos
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Ipados
Before 14.4.2
Apple
Iphone Os
Before 12.5.2
Iphone Os
From 13.0 to 14.4.2
Watchos
Before 7.3.3

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (7)

Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: product-security@apple.com
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.