CVE-2020-27903

Published Nov 12, 2020
·
Updated

App Store. This issue was addressed by removing the vulnerable code.

Credit

Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab)

Affected Software

5 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple macOS Big Sur<11.1
11.1
Apple Catalina
macOS Mojave
macOS>=11.0<11.0.1

Event History

Dec 8, 2020
CVE Published
via MITRE·08:07 PM
Data Sourced
via MITRE·08:07 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-27903?

CVE-2020-27903 is a vulnerability in the App Store that has been addressed by removing the vulnerable code.

2

Which software versions are affected by CVE-2020-27903?

macOS Big Sur versions up to and exclusive of 11.1, Catalina, and Mojave are affected by CVE-2020-27903.

3

How can I fix CVE-2020-27903?

To fix CVE-2020-27903, update macOS Big Sur to version 11.1 or later as recommended by Apple.

4

Where can I find more information about CVE-2020-27903?

You can find more information about CVE-2020-27903 on the Apple support page at https://support.apple.com/en-us/HT212011 and https://support.apple.com/en-us/HT211931.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203