CVE-2020-10021: Out-of-bounds write in USB Mass Storage with unaligned sizes

Published May 11, 2020
·
Updated

Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Affected Software

2 affected components
zephyrproject zephyr<=1.14.1
zephyrproject zephyr>=2.1.0<2.2.0

Event History

May 11, 2020
CVE Published
via MITRE·10:26 PM
Data Sourced
via MITRE·10:26 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-10021?

CVE-2020-10021 is classified as a medium severity vulnerability.

2

How do I fix CVE-2020-10021?

To fix CVE-2020-10021, update the Zephyr project to version 2.2.0 or later.

3

Which versions of Zephyr are affected by CVE-2020-10021?

CVE-2020-10021 affects Zephyr versions 1.14.1 and later, as well as versions 2.1.0 to 2.2.0.

4

What type of vulnerability is CVE-2020-10021?

CVE-2020-10021 is an out-of-bounds write vulnerability in the USB Mass Storage memoryWrite handler.

5

Is CVE-2020-10021 a critical vulnerability?

No, CVE-2020-10021 is not considered a critical vulnerability.

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