CVE-2021-1789

high

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

https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report

https://support.apple.com/en-us/HT212152

https://support.apple.com/en-us/HT212149

https://support.apple.com/en-us/HT212148

https://support.apple.com/en-us/HT212147

https://support.apple.com/en-us/HT212146

https://security.gentoo.org/glsa/202104-03

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/

Details

Source: Mitre, NVD

Published: 2021-04-02

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High