CVE-2021-33122: Intel Celeron n4000 Firmware

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Affected products

• Intel Celeron n4000 Firmware: affected versions not specified
• Intel Celeron n4020 Firmware: affected versions not specified
• Intel Celeron n4100 Firmware: affected versions not specified
• Intel Celeron n4120 Firmware: affected versions not specified
• Intel Celeron n4500 Firmware: affected versions not specified
• Intel Celeron n4505 Firmware: affected versions not specified
• Intel Celeron n5100 Firmware: affected versions not specified
• Intel Celeron n5105 Firmware: affected versions not specified
• Intel Core i3-1000g1 Firmware: affected versions not specified
• Intel Core i3-1000g4 Firmware: affected versions not specified
• Intel Core i3-1005g1 Firmware: affected versions not specified
• Intel Core i3-10100 Firmware: affected versions not specified
• Intel Core i3-10100e Firmware: affected versions not specified
• Intel Core i3-10100f Firmware: affected versions not specified
• Intel Core i3-10100t Firmware: affected versions not specified
• Intel Core i3-10100te Firmware: affected versions not specified
• Intel Core i3-10100y Firmware: affected versions not specified
• Intel Core i3-10105 Firmware: affected versions not specified
• Intel Core i3-10105f Firmware: affected versions not specified
• Intel Core i3-10105t Firmware: affected versions not specified
• Intel Core i3-10110u Firmware: affected versions not specified
• Intel Core i3-10110y Firmware: affected versions not specified
• Intel Core i3-10300 Firmware: affected versions not specified
• Intel Core i3-10300t Firmware: affected versions not specified
• Intel Core i3-10305 Firmware: affected versions not specified
• and 208 more

Published 2022-05-12. Last modified 2026-06-17.