CVE-2021-30823

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.50%

Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com

Affected: Apple iOS and iPadOS

Affected: Apple tvOS

Affected: Apple Safari

Affected: Apple watchOS

Affected: Apple macOS

References

Link	Tags
https://support.apple.com/en-us/HT212807	vendor advisory
https://support.apple.com/en-us/HT212819	vendor advisory
https://support.apple.com/en-us/HT212815	vendor advisory
https://support.apple.com/en-us/HT212816	vendor advisory
https://support.apple.com/en-us/HT212869	vendor advisory
https://support.apple.com/kb/HT212953	vendor advisory
http://www.openwall.com/lists/oss-security/2021/12/20/6	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-30823?: CVE-2021-30823 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30823?: To fix CVE-2021-30823, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30823 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30823 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30823?: CVE-2021-30823 affects Apple iOS and iPadOS, Apple tvOS, Apple Safari, Apple watchOS, Apple macOS.

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