CVE-2021-33126

MEDIUM

4.4

CVSS Score

Published: August 18, 2022 at 07:34 PM UTC

Updated: June 17, 2026 at 03:54 AM UTC

16 products affected across 1 vendorEthernet Network Adapter X722-da2 FirmwareEthernet Controller X710 FirmwareEthernet Controller XL710 Firmware

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Severity

MEDIUM4.4

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ethernet Controller V710 Firmware · Intel

95%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-controller-v710 (same device)

Ethernet Controller X710 Firmware · Intel

95%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-controller-x710 (same device)

Ethernet Controller XL710 Firmware · Intel

95%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-controller-xl710 (same device)

Ethernet Controller XXV710 Firmware · Intel

95%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-controller-xxv710 (same device)

Ethernet Network Adapter X722-da2 Firmware · Intel

95%

v < 1.5.5

Affected range stops below 1.5.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-network-adapter-x722da2 (same device)

Ethernet Network Adapter X722DA4FH Firmware · Intel

95%

v < 1.5.5

Affected range stops below 1.5.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-network-adapter-x722da4fh (same device)

Ethernet Network Adapter X722DA4G1P5 Firmware · Intel

95%

v < 1.5.5

Affected range stops below 1.5.5, so it looks safe — our inference, not a vendor statement

intel-ethernet-network-adapter-x722da4g1p5 (same device)

Ethernet Controller 700-series · Intel

60%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

Ethernet Controller 722-series · Intel

60%

v < 8.5

Affected range stops below 8.5, so it looks safe — our inference, not a vendor statement

Ethernet Controller V710 · Inteldevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html

References (1)

x_refsource_MISCx_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUMCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-Other

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