AUTODESK TRUST CENTER

Security advisory

Advisories are used to communicate information related to vulnerabilities identified with Autodesk® products and services. This includes any fixes or workarounds that are applicable to the affected product.

Log4net Vulnerabilities in the .NET based Autodesk Products

Autodesk ID: ADSK-SA-2022-0003
Product, Service, Component: Log4net.dll
Impact: Improper Restriction of XML External Entity Reference ('XXE')
Severity: High
Original Publish: 1/13/2022
Last Revised: 5/4/2022

Severity

CVSS 3.0 Score

Impact

Low

0.1 - 3.9

A vulnerability where scope and impact of exploitation is restricted and the ability to exploit is extremely difficult.

Medium

4.0 - 6.9

A vulnerability where exploitation is mitigated by factors such as difficulty to exploit, default configuration or ease of identification.

High

7.0 - 8.9

A vulnerability, which if exploited, would directly impact the confidentiality, integrity or availability of user’s data or processing resources.

Critical

9.0 - 10

A vulnerability, which if exploited, would allow remote execution of malicious code without user action.

Summary

Applications and Services that utilize the Log4net.dll earlier than 2.0.10 version may be impacted by Improper Restriction of XML External Entity Reference ('XXE') vulnerabilities. **

Description

The details of the vulnerabilities are as follows:

1) CVE-2018-1285 - Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.

Affected Products

Item

Impacted Versions

Mitigated Versions

Update Source

Revit

2022, 2021, 2020, 2019

2022.1.1, 2021.1.5, 2020.2.6, 2019.2.4

Autodesk Desktop App, or Accounts Portal

Navisworks

2022, 2021, 2020, 2019

2022.1, 2021.3

Autodesk Desktop App, or Accounts Portal

AutoCAD® Map 3D

2021, 2020, 2019

2021-2019 Security Hotfix

Security Hotfix for Autodesk AutoCAD Map 3D 2019-2021

AutoCAD® Plant 3D

2021, 2020, 2019

2021-2019 Security Hotfix

Security Hotfix for Autodesk AutoCAD Plant 3D 2019-2021 | AutoCAD Plant 3D 2021 | Autodesk Knowledge Network

Autodesk® Civil 3D

2021, 2020, 2019

2021-2019 Security Hotfix

 

Security Hotfix for Autodesk AutoCAD Civil 3D 2019-2021

Storm and Sanitary Analysis (for use with AutoCAD® Map 3D)

2021, 2020, 2019

 

2021.3.2, 2020.3.2, 2019.0.2

Autodesk Desktop App, or Accounts Portal

Desktop Connector

15.0.0.1540 and before

15.1.0.1587

Autodesk Desktop App, or Accounts Portal

Autodesk® Vault

2022, 2021, 2020, 2019

2022.2, 2021.2.3, 2020.3.6, 2019.3.6

Autodesk Desktop App, or Accounts Portal

Personal Accelerator for Revit

2022,2021,2020, 2019

2022.1.2 (Revit)
2021-2019 Security Hotfix

Autodesk Desktop App, or Accounts Portal
Security Hotfix for Autodesk Personal Accelerator for Revit 2019-2021

NLRS

1.2.1.0 and lower versions

NLRM

Reach out to your Autodesk support contact to get assistance to upgrade to NLRM

Autodesk® 3ds Max®

2022, 2021

2022.3.3, 2021.3.8

Autodesk Desktop App, or Accounts Portal

*Note: Product list table contents subject to change.

**Note: Log4net Apache Logging Services aren't impacted by the recent Log4j vulnerabilities.

Recommendations

Autodesk highly recommends that customers using the affected products listed above apply the available hotfix for their version via the Autodesk Desktop App or the Accounts Portal, as soon as possible.

Customers using Storm and Sanitary Analysis with AutoCAD Map3D will need to update the Storm and Sanitary Analysis Add-on through the Accounts Portal under AutoCAD Map 3D Updates and Add-Ons.

Customers using previous versions that no longer qualify for full support should plan to upgrade to a supported version as soon as possible to avoid downtime and potential security vulnerabilities. Visit the Autodesk Knowledge Network for more information about previous version support.

Acknowledgements

We would like to thank the following researchers for reporting the relevant issues and for working with Autodesk to help protect our customers:

  • xina1i working with HackerOne for reporting CVE-2021-40158 and CVE-2021-40159.

Revision History

Revision

Date

Description

1.0

1/12/2022

Initial Release of the security advisory

1.1

2/8/2022

Update Product Table of Security Advisory

1.2

2/18/2022

Update Product Table of Security Advisory

1.3

5/4/2022

Update Product Table of Security Advisory for 3ds Max

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