Home/CVE/Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before ve
CVE

CVE-2021-33126

Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before ve

Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.

MEDIUM · CVSS 4.4 EPSS 0.00112
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

7
intel ethernet controller xxv710 firmware< 8.5
intel ethernet controller xl710 firmware< 8.5
intel ethernet controller v710 firmware< 8.5
intel ethernet controller x710 firmware< 8.5
intel ethernet network adapter x722da2 firmware< 1.5.5
intel ethernet network adapter x722da4fh firmware< 1.5.5
intel ethernet network adapter x722da4g1p5 firmware< 1.5.5
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Aug 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.htmlPatchVendor Advisory
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