CVE-2020-0591: Intel BIOS

Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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

Affected products

• Intel BIOS: affected versions not specified
• Siemens SIMATIC CPU 1518-4 Firmware: any version
• Siemens SIMATIC CPU 1518f-4 Firmware: any version

Published 2020-11-12. Last modified 2026-06-17.