CVE-2021-38258

Name: CVE-2021-38258
Creator: NVD / NIST
Published: 2021-10-25T22:15:07.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2021-38258 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. NXP MCUXpresso SDK v2.7.0 was discovered to contain a buffer overflow in the function USB_HostProcessCallback().. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

NXP MCUXpresso SDK v2.7.0 was discovered to contain a buffer overflow in the function USB_HostProcessCallback().

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.31%

23.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Nxp	Mcuxpresso Software Development Kit	2.7.0

References

https://mcusec.github.io/vulnerabilities_details#nxp_usbExploit, Third Party Advisory
https://mcusec.github.io/vulnerabilities_details#nxp_usbExploit, Third Party Advisory

Timeline

Published: Oct 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38258?

NXP MCUXpresso SDK v2.7.0 was discovered to contain a buffer overflow in the function USB_HostProcessCallback().

How severe is CVE-2021-38258?

CVE-2021-38258 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38258?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38258?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST