What’s Vulnerable › Vulnerabilities

CVE-2021-33061

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17

Description

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

How to fix

Upgrade to a fixed version: Intel 82599Eb Firmware 5.13.4; Intel 82599En Firmware 5.13.4; Intel 82599Es Firmware 5.13.4. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20220210-0010/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00571.html
• https://security.netapp.com/advisory/ntap-20220210-0010/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00571.html

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