CVE-2021-30966: High severity tvos vulnerability

Published Aug 24, 2021
·
Updated

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. User traffic might unexpectedly be leaked to a proxy server despite PAC configurations.

Other sources

CFNetwork Proxies. A logic issue was addressed with improved state management.

Credit

Michal Rajcan(Jamf), Matt Vlasach(Jamf)

Affected Software

10 affected componentsFixes available
Apple tvOS<15.2
15.2
Apple WatchOS<8.3
8.3
Apple macOS Monterey<12.1
12.1
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple macOS<12.1
Apple tvOS<15.2
Apple WatchOS<8.3

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30966?

CVE-2021-30966 is a vulnerability in CFNetwork Proxies that allows user traffic to be leaked to a proxy server despite PAC configurations.

2

What is the severity of CVE-2021-30966?

The severity of CVE-2021-30966 is high, with a severity value of 7.5.

3

Which software versions are affected by CVE-2021-30966?

CVE-2021-30966 affects macOS Monterey 12.1, watchOS 8.3, iOS 15.2, iPadOS 15.2, and tvOS 15.2.

4

What is the fix for CVE-2021-30966?

CVE-2021-30966 is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2, iPadOS 15.2, and tvOS 15.2.

5

Where can I find more information about CVE-2021-30966?

More information about CVE-2021-30966 can be found at the following references: [link1], [link2], [link3].

Contact

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