CVE-2021-1789

8.8

CVSS
High

PUBLISHED

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,...

Exploited in the wild Remote Low complexity

Vendor: Apple
Product: iOS and iPadOS, macOS
Published: Apr 02, 2021
EPSS: —

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.

macos ios cisa

CVSS scores

CVSS v3.1 8.8 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 6.8

AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitation status

Exploited in the wild

Recorded 2022-05-04 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: No
Technical impact: total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	May 04, 2022

Vulnerability detail