CVE-2021-33061: Intel 82599eb Firmware

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access.

Affected products

• Intel 82599eb Firmware: before 5.13.4 (fixed in 5.13.4)
• Intel 82599en Firmware: before 5.13.4 (fixed in 5.13.4)
• Intel 82599es Firmware: before 5.13.4 (fixed in 5.13.4)

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