CVE-2021-33120: Intel Atom p5921b Firmware

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

Affected products

• Intel Atom p5921b Firmware: affected versions not specified
• Intel Atom p5931b Firmware: affected versions not specified
• Intel Atom p5942b Firmware: affected versions not specified
• Intel Atom p5962b Firmware: affected versions not specified
• Intel Atom x6200fe Firmware: affected versions not specified
• Intel Atom x6211e Firmware: affected versions not specified
• Intel Atom x6212re Firmware: affected versions not specified
• Intel Atom x6413e Firmware: affected versions not specified
• Intel Atom x6425e Firmware: affected versions not specified
• Intel Atom x6425re Firmware: affected versions not specified
• Intel Atom x6427fe Firmware: affected versions not specified
• Intel Celeron j6413 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 Celeron n6211 Firmware: affected versions not specified
• Intel Core i3-l13g4 Firmware: affected versions not specified
• Intel Core i5-l16g7 Firmware: affected versions not specified
• Intel Pentium j6425 Firmware: affected versions not specified
• Intel Pentium n6415 Firmware: affected versions not specified
• Intel Pentium Silver n6000 Firmware: affected versions not specified
• Intel Pentium Silver n6005 Firmware: affected versions not specified
• Intel Xeon d1700 Firmware: affected versions not specified
• Intel Xeon d2700 Firmware: affected versions not specified

Published 2022-02-09. Last modified 2026-06-17.