Exploited
CWE
20
Advisory Published
CVE Published
Updated

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

First published: Wed 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.

Credit: Matt Shockley (linkedin.com/in/shocktop) product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS, iPadOS, and macOS
macOS Catalina<10.15.6
10.15.6
macOS Mojave
macOS High Sierra
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<13.6
iOS<13.6
Apple iOS and macOS<10.15.6

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-9934?

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

  • What is the severity of CVE-2020-9934?

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

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

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

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

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

  • 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.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203