What is CVE-2021-0200?

CVE-2021-0200 is a medium-severity vulnerability in Intel Ethernet Controller V710-At2, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-17.

How severe is CVE-2021-0200?

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

Buffer overflow in Intel Ethernet Controller V710-At2

CVE-2021-0200

Out-of-bounds write in the firmware for Intel(R) Ethernet 700 Series Controllers before version 8.2 may allow a privileged user to potentially enable an escalation of privilege via local access.

Vulnerability class: Buffer Overflow

Published 2021-11-17 · 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: 0.003 (14.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% 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: 0.003 · 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-00554.html (Vendor Advisory)
security.netapp.com/advisory/ntap-20211210-0004/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-0200?: CVE-2021-0200 is a medium-severity vulnerability in Intel Ethernet Controller V710-At2, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-17.
How severe is CVE-2021-0200?: Medium severity. CVSS v3 base score is 6.7 out of 10.