CVE-2021-38258
HIGHCVSS 7.8/10EPSS 0.31%
Last modified
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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
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
- Last Modified
- 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-38258?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST