CVE-2021-30818

high

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

References

https://support.apple.com/en-us/HT212819

https://support.apple.com/en-us/HT212807

https://support.apple.com/en-us/HT212815

https://support.apple.com/en-us/HT212816

https://support.apple.com/en-us/HT212814

https://support.apple.com/kb/HT212869

http://www.openwall.com/lists/oss-security/2021/12/20/6

Details

Source: MITRE

Published: 2021-10-28

Updated: 2021-12-21

Type: CWE-843

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH