CVE-2021-0083: Intel Optane Persistent Memory Firmware

Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper input validation in some Intel(R) Optane(TM) PMem versions before versions 1.2.0.5446 or 2.2.0.1547 may allow a privileged user to potentially enable denial of service via local access.

Affected products

• Intel Optane Persistent Memory Firmware: before 2.2.0.1547 (fixed in 2.2.0.1547); before 1.2.0.5446 (fixed in 1.2.0.5446)

Published 2021-08-11. Last modified 2026-06-17.