What’s Vulnerable › Vulnerabilities

CVE-2021-33128

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-18 · updated 2026-06-17

Description

Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable denial of service via local access.

Affected products

• Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters: before 1.6.0.6 — fixed in 1.6.0.6

How to fix

Upgrade to a fixed version: Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters 1.6.0.6. Check the vendor advisory for mitigations.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html

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