Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-12357

CVE-2020-12357MEDIUM

n/a Intel(R) Processors — Improper initialization in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of priv…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   H   N  U  H  H  H    6.7   .0035   26.6     —

AFFECTED
  Product              Versions          Fixed
  Intel(R) Processors  See references –  —

TIMELINE
  Apr 28  Reserved by intel
  Jun 9   Published (CNA: intel)
  Oct 8   ENRICHED — CVE-2020-12357 (Intel(R) Processors). Received CVSS 6.7 and CPE data from NVD.

CWE-665 · CNA: intel · CVSS v3.1 · 3 references · NVD status: Modified

Description

Improper initialization in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 28, 2020	Reserved	Reserved by intel
June 9, 2021	Published	Published (CNA: intel)
October 8, 2026	ENRICHED	ENRICHED — CVE-2020-12357 (Intel(R) Processors). Received CVSS 6.7 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	Intel(R) Processors	—	See references	—

Weaknesses

CWE-665

References (3)

https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf [Patch, Third Party Advisory]
https://security.netapp.com/advisory/ntap-20210702-0002/ [Third Party Advisory]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.html [Vendor Advisory]

Authoritative record: CVE-2020-12357 at cve.org

Weaknesses: CWE-665

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-12357 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.