CVE-2021-33141: ethernet Input Validation Flaw — Fix

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.

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CVSS v3.1 Score

8.6

HIGH

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
intel	ethernet_controller_i225-it_firmware	< 1.87
intel	ethernet_controller_i225-it	All
intel	ethernet_controller_i225-lm_firmware	< 1.87
intel	ethernet_controller_i225-lm	All
intel	ethernet_controller_i225-v_firmware	< 1.87
intel	ethernet_controller_i225-v	All
intel	ethernet_adapter_complete_driver	< 29.0.1

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2021-33141? +

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. It has a CVSS v3.1 base score of 8.6 (HIGH).

How severe is CVE-2021-33141? +

CVE-2021-33141 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2021-33141? +

CVE-2021-33141 affects products from intel, specifically: ethernet_adapter_complete_driver, ethernet_controller_i225-it, ethernet_controller_i225-it_firmware, ethernet_controller_i225-lm, ethernet_controller_i225-lm_firmware, ethernet_controller_i225-v, ethernet_controller_i225-v_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-33141? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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