What is CVE-2020-12311?

CVE-2020-12311 is a medium-severity vulnerability in Intel Optane Ssd 900p. CVSS score: 4.6/10. Published 2020-11-12.

How severe is CVE-2020-12311?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Intel Optane Ssd 900p

CVE-2020-12311

Insufficient control flow managementin firmware in some Intel(R) Client SSDs and some Intel(R) Data Center SSDs may allow an unauthenticated user to potentially enable information disclosure via physical access.

Published 2020-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.8th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00362 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-12311?: CVE-2020-12311 is a medium-severity vulnerability in Intel Optane Ssd 900p. CVSS score: 4.6/10. Published 2020-11-12.
How severe is CVE-2020-12311?: Medium severity. CVSS v3 base score is 4.6 out of 10.