What is CVE-2021-0054?

CVE-2021-0054 is a medium-severity vulnerability in Intel Nuc 10 Performance Kit Nuc10i3fnh, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2021-06-09.

How severe is CVE-2021-0054?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Intel Nuc 10 Performance Kit Nuc10i3fnh

CVE-2021-0054

Improper buffer restrictions in system firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.

Vulnerability class: Buffer Overflow

Published 2021-06-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00511.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0054?: CVE-2021-0054 is a medium-severity vulnerability in Intel Nuc 10 Performance Kit Nuc10i3fnh, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2021-06-09.
How severe is CVE-2021-0054?: Medium severity. CVSS v3 base score is 6.7 out of 10.