Cyber Resilience

CVE-2021-33126

Medium

Published: 18 August 2022

Published
18 August 2022
Modified
05 May 2025
KEV Added
Patch
CVSS Score v3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0011 29.4th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33126 is a medium-severity an unspecified weakness vulnerability in Intel Ethernet Controller Xxv710 Firmware. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 29.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References