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# SSA-854248: Information Disclosure Vulnerability in Mendix Excel Importer Module

Publication Date:        2021-05-11
Last Update:             2021-05-11
Current Version:         1.0
CVSS v3.1 Base Score:    4.3

SUMMARY
=======

The latest update of Mendix Excel Importer module fixes an infomation
disclosure vulnerability.

Mendix has released an update for the Mendix Excel Importer module and
recommends to update to the latest version.


AFFECTED PRODUCTS AND SOLUTION
==============================


* Mendix Excel Importer Module 
  - Affected versions:
       All versions < V9.0.3
  - Remediation:
       Update to V9.0.3 or later version
  - Download:
       https://marketplace.mendix.com/link/component/72


WORKAROUNDS AND MITIGATIONS
===========================


Siemens has not identified any specific mitigations or workarounds.
Please follow General Security Recommendations.


GENERAL SECURITY RECOMMENDATIONS
================================

As a general security measure, Siemens strongly recommends to protect
network access to devices with appropriate mechanisms. In order to
operate the devices in a protected IT environment, Siemens recommends to
configure the environment according to Siemens' operational guidelines
for Industrial Security (Download:
https://www.siemens.com/cert/operational-guidelines-industrial-security),
and to follow the recommendations in the product manuals.

Additional information on Industrial Security by Siemens can be found
at: https://www.siemens.com/industrialsecurity

PRODUCT DESCRIPTION
===================

The Excel Importer module enables importing Excel data sheets into
Mendix applications.

VULNERABILITY CLASSIFICATION
============================

The vulnerability classification has been performed by using the CVSS scoring
system in version 3.1 (CVSS v3.1) (https://www.first.org/cvss/). The CVSS
environmental score is specific to the customer's environment and will impact
the overall CVSS score. The environmental score should therefore be
individually defined by the customer to accomplish final scoring.

An additional classification has been performed using the CWE classification, a
community-developed list of common software security weaknesses. This serves as
a common language and as a baseline for weakness identification, mitigation,
and prevention efforts. A detailed list of CWE classes can be found at:
https://cwe.mitre.org/.



* Vulnerability CVE-2021-31339

  Uploading a manipulated XML File results in an exception that could
  expose information about the Application-Server and the used
  XML-Framework.

  CVSS v3.1 Base Score: 4.3
  CVSS Vector:          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C
  CWE:                  CWE-209: Generation of Error Message Containing Sensitive Information




ADDITIONAL INFORMATION
======================

For further inquiries on security vulnerabilities in Siemens products and
solutions, please contact the Siemens ProductCERT:

https://www.siemens.com/cert/advisories


HISTORY DATA
============

V1.0 (2021-05-11): Publication Date

TERMS OF USE
============

Siemens Security Advisories are subject to the terms and conditions contained
in Siemens' underlying license terms or other applicable agreements previously
agreed to with Siemens (hereinafter "License Terms"). To the extent applicable
to information, software or documentation made available in or through a
Siemens Security Advisory, the Terms of Use of Siemens' Global Website
(https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in
particular Sections 8-10 of the Terms of Use, shall apply additionally. In case
of conflicts, the License Terms shall prevail over the Terms of Use.
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