What is CVE-2021-0159?

CVE-2021-0159 is a high-severity vulnerability in Intel Xeon Bronze 3204, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-05-12.

How severe is CVE-2021-0159?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Intel Xeon Bronze 3204

CVE-2021-0159

Improper input validation in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-05-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.2th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html (Vendor Advisory)
security.netapp.com/advisory/ntap-20220818-0003/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-0159?: CVE-2021-0159 is a high-severity vulnerability in Intel Xeon Bronze 3204, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-05-12.
How severe is CVE-2021-0159?: High severity. CVSS v3 base score is 7.8 out of 10.