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CVE-2021-1871

Known Exploited (CISA KEV)CRITICAL
9.8
CVSS Severity Score
EPSS Score50.2590%
EPSS Percentile91.51th
Published2021年4月2日
Last Modified2025年10月23日

Vulnerability 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 Platforms (CPE)

💻
Apple

Ipados

< 14.4
💻
Apple

Iphone Os

< 14.4
💻
Apple

Mac Os X

>= 10.15 and < 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Mac Os X

= 10.15.7
💻
Apple

Macos

>= 11.0.1 and < 11.2
💻
Debian

Debian Linux

= 10.0
💻
Fedoraproject

Fedora

= 33

References & Advisories

🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
🔗 https://support.apple.com/en-us/HT212146
🔗 https://support.apple.com/en-us/HT212147
🔗 https://www.debian.org/security/2021/dsa-4923
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
🔗 https://support.apple.com/en-us/HT212146
🔗 https://support.apple.com/en-us/HT212147
🔗 https://www.debian.org/security/2021/dsa-4923

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