CVE-2021-30818

moderate-risk
Published 2021-10-28

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.

Do I need to act?

-
0.43% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Apple

References (14)

Mailing List http://www.openwall.com/lists/oss-security/2021/12/20/6
Release Notes https://support.apple.com/en-us/HT212807
Release Notes https://support.apple.com/en-us/HT212814
Release Notes https://support.apple.com/en-us/HT212815
Release Notes https://support.apple.com/en-us/HT212816
Release Notes https://support.apple.com/en-us/HT212819
Vendor Advisory https://support.apple.com/kb/HT212869
Mailing List http://www.openwall.com/lists/oss-security/2021/12/20/6
Release Notes https://support.apple.com/en-us/HT212807
Release Notes https://support.apple.com/en-us/HT212814
Release Notes https://support.apple.com/en-us/HT212815
Release Notes https://support.apple.com/en-us/HT212816
Release Notes https://support.apple.com/en-us/HT212819
Vendor Advisory https://support.apple.com/kb/HT212869
45
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 2/34 · Minimal
Exposure 13/34 · Low