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# SSA-210822: Improper Access Control Vulnerability in Mendix Workflow Commons
Module

Publication Date:        2022-12-13
Last Update:             2023-01-10
Current Version:         1.1
CVSS v3.1 Base Score:    8.1


SUMMARY
=======

The Mendix Workflow Commons module improperly handles access control
for some module entities. This could allow authenticated remote
attackers to read or delete sensitive information.

Mendix has released updates for several version lines of the Mendix
Workflow Commons module and recommends to update to the latest
version.

Note that the fix might slightly impact the module's functionality in
specific cases.


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


* Mendix Workflow Commons 
  - Affected versions:
       All versions < V2.4.0
  - Remediation:
       Update to V2.4.0 or later version


  - Download:
       https://marketplace.mendix.com/link/component/117066

* Mendix Workflow Commons V2.1 
  - Affected versions:
       All versions < V2.1.4
  - Remediation:
       Update to V2.1.4 or later version


  - Download:
       https://marketplace.mendix.com/link/component/117066

* Mendix Workflow Commons V2.3 
  - Affected versions:
       All versions < V2.3.2
  - Remediation:
       Update to V2.3.2 or later version


  - Download:
       https://marketplace.mendix.com/link/component/117066


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

Product-specific remediations or mitigations can be found in the section
"Affected Products and Solution".
Please follow the "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
===================

Mendix Workflow Commons module provides out-of-the-box content to get
you started with building workflows in Mendix.

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-2022-46664

  Affected versions of the module improperly handle access control for
  some module entities.

    This could allow authenticated remote attackers to read or delete
  sensitive information.

    CVSS v3.1 Base Score: 8.1
    CVSS Vector:          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
    CWE:                  CWE-284: Improper Access Control




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

Note that the fix might slightly impact the module's functionality in
specific cases.

The Mendix Workflow Commons module provides several version lines to
support compatibility with different Mendix framework releases. The
fix for CVE-2022-46664 has been backported to support the use of the
module for the older Mendix framework versions 9.18 and 9.12.

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 (2022-12-13): Publication Date
V1.1 (2023-01-10): Added fix information for older version lines of Mendix Workflow Commons

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.

Copyright: Siemens 2023
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