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CVE-2021-1871

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

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Affected (9)

Apple
4 products
Ipados
Iphone Os
Mac Os X
Macos
Debian
1 product
Debian Linux
Fedoraproject
1 product
Fedora
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Ipados
Before 14.4
Iphone Os
Before 14.4
Apple
Mac Os X
From 10.15 to 10.15.7
Mac Os X
Version 10.15.7
Mac Os X
Version 10.15.7 security_update_2020
Mac Os X
Version 10.15.7 supplemental_update
Macos
From 11.0.1 to 11.2
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 33

References (9)

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

Timeline

No history available yet.