What is CVE-2022-31477?

CVE-2022-31477 is a medium-severity vulnerability in Intel Cm11ebc4w, classified under Improper Initialization. CVSS score: 4.0/10. Published 2023-05-10.

How severe is CVE-2022-31477?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Intel Cm11ebc4w

CVE-2022-31477

Improper initialization for some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

Published 2023-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% 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-665 — Improper Initialization

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00777.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-31477?: CVE-2022-31477 is a medium-severity vulnerability in Intel Cm11ebc4w, classified under Improper Initialization. CVSS score: 4.0/10. Published 2023-05-10.
How severe is CVE-2022-31477?: Medium severity. CVSS v3 base score is 4.0 out of 10.