CVE-2021-33141

HIGH
8.6
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?

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Severity
HIGH8.6
Exploit prediction
EPSS 0.8%
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 denial of service 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)

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

8.6HIGHintel
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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