What’s Vulnerable › Vulnerabilities

CVE-2021-0197

• 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: 2021-11-17 · updated 2026-06-17

Description

Protection mechanism failure in the firmware for the Intel(R) Ethernet Network Controller E810 before version 1.5.5.6 may allow a privileged user to enable a denial of service via local access.

Affected products

• Intel Ethernet Network Controller E810-Cam1 Firmware: before 1.5.5.6 — fixed in 1.5.5.6
• Intel Ethernet Network Controller E810-Cam2 Firmware: before 1.5.5.6 — fixed in 1.5.5.6
• Intel Ethernet Network Controller E810-Xxvam2 Firmware: before 1.5.5.6 — fixed in 1.5.5.6

How to fix

Upgrade to a fixed version: Intel Ethernet Network Controller E810-Cam1 Firmware 1.5.5.6; Intel Ethernet Network Controller E810-Cam2 Firmware 1.5.5.6; Intel Ethernet Network Controller E810-Xxvam2 Firmware 1.5.5.6. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20211210-0004/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00554.html
• https://security.netapp.com/advisory/ntap-20211210-0004/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00554.html

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