What is CVE-2020-12377?

CVE-2020-12377 is a high-severity vulnerability in Intel Bmc Firmware, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-02-17.

How severe is CVE-2020-12377?

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

Improper input validation in Intel Bmc Firmware

CVE-2020-12377

Insufficient input validation in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.47 may allow an authenticated user to potentially enable escalation of privilege via local access.

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

Published 2021-02-17 · 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 (22.0th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% 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-00434.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12377?: CVE-2020-12377 is a high-severity vulnerability in Intel Bmc Firmware, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-02-17.
How severe is CVE-2020-12377?: High severity. CVSS v3 base score is 7.8 out of 10.