CVE-2021-33141

Name: CVE-2021-33141
Creator: NVD / NIST
Published: 2024-02-23T21:15:09.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2021-33141 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Probability

0.77%

51.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Intel	Ethernet Controller I225-It Firmware	< 1.87
Intel	Ethernet Controller I225-Lm Firmware	< 1.87
Intel	Ethernet Controller I225-V Firmware	< 1.87
Intel	Ethernet Adapter Complete Driver	< 29.0.1

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00756.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00756.htmlVendor Advisory

Timeline

Published: Feb 23, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-33141?

How severe is CVE-2021-33141?

CVE-2021-33141 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33141?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33141?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST