CVE-2021-38258
CVE-2021-38258 is a high-severity vulnerability in Nxp Mcuxpresso Software Development Kit with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Nxp Mcuxpresso Software Development Kit
- Published:
- Last modified:
Description
NXP MCUXpresso SDK v2.7.0 was discovered to contain a buffer overflow in the function USB_HostProcessCallback().
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 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-38258 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38258?
- CVE-2021-38258 affects Nxp Mcuxpresso Software Development Kit. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38258?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-38258 published?
- CVE-2021-38258 was published on 2021-10-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nxp:mcuxpresso_software_development_kit:2.7.0:*:*:*:*:*:*:*
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