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
- 🇪🇺 ENISA EUVD: EUVD-2021-19841
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.