CVE-2020-0523

MEDIUM

4.4

CVSS Score

Published: February 17, 2021 at 01:57 PM UTC

Updated: June 17, 2026 at 02:45 AM UTC

6 products affected across 1 vendorEthernet Controller I210 FirmwareEthernet Controller I210-ClEthernet Controller I210-Is

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Severity

MEDIUM4.4

Exploit prediction

EPSS 0.3%

Description

Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.

Affected

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

Ethernet Controller I210 Firmware · Intel

95%

v < 3.30

Affected range stops below 3.30, so it looks safe — our inference, not a vendor statement

intel-ethernet-controller-i210-at (same device) · intel-ethernet-controller-i210-cl (same device) · intel-ethernet-controller-i210-cs (same device) · intel-ethernet-controller-i210-is (same device) · intel-ethernet-controller-i210-it (same device)

Ethernet Controller I210-At · Inteldevice

80%

All versions

Ethernet Controller I210-Cl · Inteldevice

80%

All versions

Ethernet Controller I210-Cs · Inteldevice

80%

All versions

Ethernet Controller I210-Is · Inteldevice

80%

All versions