CVE-2021-1789

HIGH KEV

Apple Ipados < 14.4 - Type Confusion

Title source: rule

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

References (9)

Scores

CVSS v3 8.8
EPSS 0.0024
EPSS Percentile 47.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CISA KEV 2022-05-04
VulnCheck KEV 2021-10-11
InTheWild.io 2021-08-01
ENISA EUVD EUVD-2021-7253
CWE
CWE-843
Status published
Products (11)
apple/ipados < 14.4
apple/iphone_os < 14.4
apple/macos 11.0 - 11.2
apple/mac_os_x 10.14.6 (14 CPE variants)
apple/mac_os_x 10.15.7 (2 CPE variants)
apple/mac_os_x 10.14 - 10.14.6
apple/tvos < 14.4
apple/watchos < 7.3
fedoraproject/fedora 32
fedoraproject/fedora 33
... and 1 more
Published Apr 02, 2021
KEV Added May 04, 2022
Tracked Since Feb 18, 2026