CVE-2021-33146

MEDIUM
5.3
CVSS Score
Published: May 16, 2024 at 08:47 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
6 products affected across 1 vendorEthernet Adapter Complete DriverEthernet Controller I225-it FirmwareEthernet Controller I225-v Firmware

Using Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware by N/A?

Get instant alerts when new vulnerabilities affect Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow an unauthenticated user to potentially enable information disclosure via network access.

Affected

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

v < 1.87
intel-ethernet-controller-i225-it (same device)
v < 1.87
intel-ethernet-controller-i225-lm (same device)
v < 1.87
intel-ethernet-controller-i225-v (same device)
v < 29.0.1
Affected range stops below 29.0.1, so it looks safe — our inference, not a vendor statement
v < nvm_version_1.87
Affected range stops below nvm_version_1.87, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

5.3MEDIUMintel
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20CWE-200

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card