4.4
MEDIUM
CVE-2021-33126
Intel 700/722 Series Ethernet Controllers and Adapters Privilege Escalation Denial of Service Vulnerability
Description

Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.

INFO

Published Date :

Aug. 18, 2022, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 6:08 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2021-33126 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Intel ethernet_controller_xxv710_firmware
2 Intel ethernet_controller_xl710_firmware
3 Intel ethernet_controller_v710_firmware
4 Intel ethernet_controller_x710_firmware
5 Intel ethernet_network_adapter_x722da2_firmware
6 Intel ethernet_network_adapter_x722da4fh_firmware
7 Intel ethernet_network_adapter_x722da4g1p5_firmware
8 Intel ethernet_controller_xxv710
9 Intel ethernet_controller_xl710
10 Intel ethernet_controller_v710
11 Intel ethernet_controller_x710
12 Intel ethernet_network_adapter_x722da2
13 Intel ethernet_network_adapter_x722da4fh
14 Intel ethernet_network_adapter_x722da4g1p5
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-33126.

URL Resource
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html Patch Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-33126 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33126 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Aug. 26, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_controller_xxv710_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.5 OR cpe:2.3:h:intel:ethernet_controller_xxv710:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_controller_xl710_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.5 OR cpe:2.3:h:intel:ethernet_controller_xl710:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_controller_v710_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.5 OR cpe:2.3:h:intel:ethernet_controller_v710:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_controller_x710_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.5 OR cpe:2.3:h:intel:ethernet_controller_x710:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_network_adapter_x722da2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.5 OR cpe:2.3:h:intel:ethernet_network_adapter_x722da2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_network_adapter_x722da4fh_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.5 OR cpe:2.3:h:intel:ethernet_network_adapter_x722da4fh:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:intel:ethernet_network_adapter_x722da4g1p5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.5 OR cpe:2.3:h:intel:ethernet_network_adapter_x722da4g1p5:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-33126 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-33126 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10509

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability