CVE-2021-33126

mediumpriority · track · 18EPSS 0.002 · 10 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 4.4 · medium

Is it mine?

13 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.15.1mediumAV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 0.8 · impact 3.6

v3.14.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

affected products (13)

Products and version ranges known to be affected.

Dell PowerEdge < 21.5.9all versionscert_bundDEcpe:/h:dell:poweredge:21.5.9
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Lenovo Computerall versionscert_bundDEcpe:/o:lenovo:lenovo_computer:-
n/a Intel(R) 700 and 722 Series Ethernet Controllers and Adapters≤ before versions 8.5 and 1.5.5enisa_euvdEU
Intel Corp. 722 Ethernet Controllers≤ 1.5.5fstec_bduRU
Intel Corp. Ethernet 700 Series Controller≤ 8.5fstec_bduRU
intel ethernet controller v710 firmware< 8.5nvdUScpe:2.3:o:intel:ethernet_controller_v710_firmware:*:*:*:*:*:*:*:*
intel ethernet controller x710 firmware< 8.5nvdUScpe:2.3:o:intel:ethernet_controller_x710_firmware:*:*:*:*:*:*:*:*
intel ethernet controller xl710 firmware< 8.5nvdUScpe:2.3:o:intel:ethernet_controller_xl710_firmware:*:*:*:*:*:*:*:*
intel ethernet controller xxv710 firmware< 8.5nvdUScpe:2.3:o:intel:ethernet_controller_xxv710_firmware:*:*:*:*:*:*:*:*
intel ethernet network adapter x722da2 firmware< 1.5.5nvdUScpe:2.3:o:intel:ethernet_network_adapter_x722da2_firmware:*:*:*:*:*:*:*:*
intel ethernet network adapter x722da4fh firmware< 1.5.5nvdUScpe:2.3:o:intel:ethernet_network_adapter_x722da4fh_firmware:*:*:*:*:*:*:*:*
intel ethernet network adapter x722da4g1p5 firmware< 1.5.5nvdUScpe:2.3:o:intel:ethernet_network_adapter_x722da4g1p5_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0978Intel Ethernet Controller: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2022-08-09csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Intel Ethernet Controllern ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2022-08-18modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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