CVE-2020-9934: Apple iOS, iPadOS, and macOS Input Validation Vulnerability

Published Jul 15, 2020
·
Updated

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

Other sources

Apple iOS, iPadOS, and macOS contain an unspecified vulnerability involving input validation which can allow a local attacker to view sensitive user information.

— CISA

CoreFoundation. An issue existed in the handling of environment variables. This issue was addressed with improved validation.

Credit

Matt Shockley (linkedin.com/in/shocktop)

Affected Software

9 affected componentsFixes available
Apple iOS, iPadOS, and macOS
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
Apple iOS<13.6
13.6
Apple iPadOS<13.6
13.6
Apple iPadOS<13.6
Apple iPhone OS<13.6
Apple iOS and macOS<10.15.6

Event History

Oct 16, 2020
CVE Published
via MITRE·04:51 PM
Data Sourced
via MITRE·04:51 PM
DescriptionWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityAffected Software
Sep 8, 2022
Known Exploited
via CISA·12:00 AM
Jul 28, 2025
News Published
via BleepingComputer·06:03 PM
News Published
via BleepingComputer·06:04 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-9934?

CVE-2020-9934 is an unspecified vulnerability in Apple iOS, iPadOS, and macOS involving input validation.

2

What is the severity of CVE-2020-9934?

The severity of CVE-2020-9934 is not mentioned in the information provided.

3

How can a local attacker exploit CVE-2020-9934?

A local attacker can exploit CVE-2020-9934 to view sensitive user information.

4

Which versions of Apple macOS are affected by CVE-2020-9934?

Apple macOS Catalina 10.15.6 is affected by CVE-2020-9934.

5

Which versions of Apple iOS and iPadOS are affected by CVE-2020-9934?

Apple iOS and iPadOS up to version 13.6 are affected by CVE-2020-9934.

Company

Resources

Contact

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