What is CVE-2021-33060?

CVE-2021-33060 is a high-severity vulnerability in Intel Xeon Gold 5315y, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-08-18.

How severe is CVE-2021-33060?

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

Buffer overflow in Intel Xeon Gold 5315y

CVE-2021-33060

Out-of-bounds write in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

Vulnerability class: Buffer Overflow

Published 2022-08-18 · 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 (18.1th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% 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-787 — Out-of-bounds Write

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00686.html (Vendor Advisory)
security.netapp.com/advisory/ntap-20220930-0004/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-33060?: CVE-2021-33060 is a high-severity vulnerability in Intel Xeon Gold 5315y, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-08-18.
How severe is CVE-2021-33060?: High severity. CVSS v3 base score is 7.8 out of 10.