CVE-2021-1870

CVE Published 2021-04-02
Related Vendor(s) fedoraproject, webkitgtk, apple
Related Product(s) mac_os_x, webkitgtk, ipad_os, iphone_os, macos, fedora
Exploitation Reported (CISA KEV) 2021-11-03
CVSS 3 Base Score 9.8 (CRITICAL)
CVSS 3 Attack Complexity LOW
CVSS 3 Attack Vector NETWORK

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..

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References