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AUSCERT External Security Bulletin Redistribution
ESB-2020.2624.3
Multiple Mitsubishi Electric Factory vulnerabilities
15 January 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Mitsubishi Electric Factory Automation Engineering Products
Mitsubishi Electric Factory Automation Products
Mitsubishi Electric Multiple Factory Automation Engineering Products
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Modify Arbitrary Files -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-14523 CVE-2020-14521 CVE-2020-14496
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-20-212-02
https://us-cert.cisa.gov/ics/advisories/icsa-20-212-03
https://us-cert.cisa.gov/ics/advisories/icsa-20-212-04
Comment: This bulletin contains three (3) ICS-CERT security advisories.
Revision History: January 15 2021: Additional products added to advisories icsa-20-212-03 and icsa-20-212-04
November 6 2020: ICS-CERT appended Update A to advisory
July 31 2020: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
ICS Advisory (ICSA-20-212-03)
Mitsubishi Electric Factory Automation Products Path Traversal (Update A)
Original release date: January 14, 2021
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 8.3
o ATTENTION: Exploitable remotely/low skill level to exploit
o Vendor: Mitsubishi Electric
o Equipment: Mitsubishi Electric, Factory Automation products
o Vulnerability: Path Traversal
2. UPDATE INFORMATION
This updated advisory is a follow-up to the original advisory titled
ICSA-20-212-03 Mitsubishi Electric Factory Automation Products Path Traversal
that was published July 30, 2020, to the ICS webpage on us-cert.cisa.gov.
3. RISK EVALUATION
Successful exploitation of this vulnerability may allow an attacker to obtain
unauthorized information, tamper the information, and cause a denial-of-service
condition.
4. TECHNICAL DETAILS
4.1 AFFECTED PRODUCTS
The following products and versions are affected:
o CW Configurator,Versions 1.010L and prior
o FR Configurator2, Versions 1.22Y and prior
o GX Works2, Versions 1.595V and prior
o GX Works3, Versions 1.063R and prior
o MELSEC iQ-R Series Motion Module, all versions
- --------- Begin Update A Part 1 of 4 ---------
o MELSOFT iQ AppPortal, Version 1.17T and prior
o MELSOFT Navigator, 2.70Y and prior
- --------- End Update A Part 1 of 4 ---------
o MI Configurator, all versions
- --------- Begin Update A Part 2 of 4 ---------
o MR Configurator2, Version 1.110Q and prior
- --------- End Update A Part 2 of 4 ---------
o MT Works2, Versions 1.156N and prior
- --------- Begin Update A Part 3 of 4 ---------
o MX Component, Version 4.20W and prior
- --------- End Update A Part 3 of 4 ---------
o RT ToolBox3, Versions 1.70Y and prior
4.2 VULNERABILITY OVERVIEW
4.2.1 PATH TRAVERSAL CWE-22
Multiple Mitsubishi Electric Factory Automation products have a vulnerability
that allows an attacker to execute arbitrary code.
CVE-2020-14523 has been assigned to this vulnerability. A CVSS v3 base score of
8.3 has been calculated; the CVSS vector string is ( AV:N/AC:H/PR:N/UI:R/S:C/
C:H/I:H/A:H ).
4.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Japan
4.4 RESEARCHER
Mashav Sapir of Claroty reported this vulnerability to CISA.
5. MITIGATIONS
Mitsubishi Electric recommends the following mitigations:
Download the latest version of each software product and update. The fixed
software products and versions are as follows:
o CW Configurator, Version 1.011M or later
o FR Configurator2, Version 1.23Z or later
o GX Works2, Version 1.596W or later
o GX Works3, Version 1.065T or later
- --------- Begin Update A Part 4 of 4 ---------
o MELSOFT iQ AppPortal, Version 1.20W or later
o MELSOFT Navigator, Version 2.74C or later
o MR Configurator2, Version 1.115V or later
o MX Component, Version 4.21X or later
- --------- End Update A Part 4 of 4 ---------
o MT Works2, Version 1.160S or later
o RT ToolBox3, Version 1.80J or later
For users of a product that has not released a fixed version or who cannot
immediately update the product, Mitsubishi Electric recommends taking the
following mitigation measures to minimize risk:
o Make sure the file is obtained from the correct acquisition route when
receiving a project file or a configuration data file from another person
via email, USB memory, file server, etc.; or check that there is no file of
unknown source.
o Operate the products under an account that does not have administrator
privileges. Except for MELSEC iQ-R Series Motion Module.
o Install an antivirus software in computers using the products. Except for
MELSEC iQ-R Series Motion Module.
o Restrict network exposure for all control system devices or systems to the
minimum necessary and ensure they are not accessible from untrusted
networks and hosts.
o Locate control system networks and remote devices behind firewalls and
isolate them from the business network.
o Use virtual private network (VPN) when remote access is required.
Additional information about the vulnerability or Mitsubishi Electric's
compensating control is available by contacting a Mitsubishi Electric
representative .
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on us-cert.cisa.gov . Several recommended practices are
available for reading and download, including Improving Industrial Control
Systems Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves
from social engineering attacks:
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
No known public exploits specifically target this vulnerability.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
- --------------------------------------------------------------------------------
ICS Advisory (ICSA-20-212-04)
Mitsubishi Electric Factory Automation Engineering Products (Update B)
Original release date: January 14, 2021
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 8.3
o ATTENTION: Low skill level to exploit
o Vendor: Mitsubishi Electric
o Equipment: Mitsubishi Electric, Factory Automation Engineering products
o Vulnerability: Unquoted Search Path or Element
2. UPDATE INFORMATION
This updated advisory is a follow-up to the advisory update titled
ICSA-20-212-04 Mitsubishi Electric Factory Automation Engineering Products
(Update A) that was published November 5, 2020, to the ICS webpage on
us-cert.cisa.gov.
3. RISK EVALUATION
Successful exploitation of this vulnerability may allow an attacker to obtain
unauthorized information, modify information, and cause a denial-of-service
condition.
4. TECHNICAL DETAILS
4.1 AFFECTED PRODUCTS
The following products and versions are affected:
o C Controller Interface Module Utility, all versions
o C Controller Module Setting and Monitoring Tool, all versions
o CC-Link IE Control Network Data Collector, all versions
o CC-Link IE Field Network Data Collector, all versions
o CPU Module Logging Configuration Tool, Versions 1.100E and prior
o CW Configurator, Versions 1.010L and prior
o Data Transfer, Versions 3.42U and prior
o EZSocket, all versions
o FR Configurator SW3, all versions
o FR Configurator2, all versions
o GT Designer2 Classic, all versions
o GT Designer3 Version1 (GOT1000), Versions 1.241B and prior
o GT Designer3 Version1 (GOT2000), Versions 1.241B and prior
o GT SoftGOT1000 Version3, Versions 3.200J and prior
o GT SoftGOT2000 Version1, Versions 1.241B and prior
o GX Developer, Versions 8.504A and prior
o GX LogViewer, Versions 1.100E and prior
o GX Works2, all versions
o GX Works3, Versions 1.063R and prior
o M_CommDTM-IO-Link, all versions
o MELFA-Works, all versions
o MELSEC WinCPU Setting Utility, all versions
o MELSOFT Complete Clean Up Tool, all versions
o MELSOFT EM Software Development Kit, all versions
- --------- Begin Update B Part 1 of 4 ---------
o MELSOFT iQ AppPortal, 1.17T and prior
- --------- End Update B Part 1 of 4 ---------
o MELSOFT Navigator, all versions
o MI Configurator, all versions
o Motion Control Setting, Versions 1.005F and prior
o Motorizer, Versions 1.005F and prior
o MR Configurator2, all versions
o MT Works2, all versions
o MTConnect Data Collector, all versions
- --------- Begin Update B Part 2 of 4 ---------
o MX Component, Version 4.20W and prior
- --------- End Update B Part 2 of 4 ---------
o MX MESInterface, Versions 1.21X and prior
o MX MESInterface-R, Versions 1.12N and prior
- --------- Begin Update B Part 3 of 4 ---------
o MX Sheet, Version 2.15R and prior
- --------- End Update B Part 3 of 4 ---------
o Network Interface Board CC IE Control Utility, all versions
o Network Interface Board CC IE Field Utility, all versions
o Network Interface Board CC-Link Ver.2 Utility, all versions
o Network Interface Board MNETH Utility, all versions
o Position Board utility 2, all versions
o PX Developer, all versions
o RT ToolBox2, all versions
o RT ToolBox3, all versions
o Setting/monitoring tools for the C Controller module, all versions
o SLMP Data Collector, all versions
4.2 VULNERABILITY OVERVIEW
4.2.1 UNQUOTED SEARCH PATH OR ELEMENT CWE-428
Multiple Mitsubishi Electric Factory Automation engineering software products
have a malicious code execution vulnerability. A malicious attacker could use
this vulnerability to obtain information, modify information, and cause a
denial-of-service condition.
CVE-2020-14521 has been assigned to this vulnerability. A CVSS v3 base score of
8.3 has been calculated; the CVSS vector string is ( AV:N/AC:H/PR:N/UI:R/S:C/
C:H/I:H/A:H ).
4.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Japan
4.4 RESEARCHER
Mashav Sapir of Claroty reported this vulnerability to CISA.
5. MITIGATIONS
Mitsubishi Electric recommends the following mitigations:
- --------- Begin Update B Part 4 of 4 ---------
Please refer to the Mitsubishi Electric website for details on available
patches.
Download the latest version of each software product and update it.
- --------- End Update B Part 4 of 4 ---------
Refer to the manual for help to update affected products.
For users of a product that has not released a fixed version or who cannot
immediately update the product, Mitsubishi Electric recommends taking the
following mitigation measures to minimize risk:
o If a "File Name Warning" message is displayed when starting Windows, take
appropriate measures according to the instructions in the message (such as
changing a file name) and then install or operate the products.
o Operate the products under an account that does not have administrator
privileges.
o Install an antivirus software in computers using the products.
o Restrict network exposure for all control system devices or systems to the
minimum necessary and ensure they are not accessible from untrusted
networks and hosts.
o Locate control system networks and remote devices behind firewalls and
isolate them from the network.
o Use virtual private network (VPN) when remote access is required.
Additional information about the vulnerabilities or Mitsubishi Electric's
compensating control is available by contacting a Mitsubishi Electric
representative .
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on us-cert.cisa.gov . Several recommended practices are
available for reading and download, including Improving Industrial Control
Systems Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves
from social engineering attacks:
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
No known public exploits specifically target this vulnerability.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
- --------------------------------------------------------------------------------
ICS Advisory (ICSA-20-212-02)
Mitsubishi Electric Multiple Factory Automation Engineering Software Products
(Update A)
Original release date: January 05, 2021
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are
provided "as is" for informational purposes only. The Department of Homeland
Security (DHS) does not provide any warranties of any kind regarding any
information contained within. DHS does not endorse any commercial product or
service, referenced in this product or otherwise. Further dissemination of this
product is governed by the Traffic Light Protocol (TLP) marking in the header.
For more information about TLP, see https://us-cert.cisa.gov/tlp/.
- -------------------------------------------------------------------------------
1. EXECUTIVE SUMMARY
* CVSS v3 8.3
* ATTENTION: Exploitable remotely
* Vendor: Mitsubishi Electric
* Equipment: Mitsubishi Electric, Multiple Factory Automation Engineering
Software products
* Vulnerability: Permission Issues
2. UPDATE INFORMATION
This updated advisory is a follow-up to the original advisory titled
ICSA-20-212-02 Mitsubishi Electric Multiple Factory Automation Engineering
Software Products that was published July 30, 2020, to the ICS webpage on
us-cert.cisa.gov.
3. RISK EVALUATION
Successful exploitation of this vulnerability may enable the reading of
arbitrary files, cause a denial-of-service condition, and allow execution of a
malicious binary.
4. TECHNICAL DETAILS
4.1 AFFECTED PRODUCTS
The following products and versions are affected:
* CPU Module Logging Configuration Tool, versions 1.100E and prior
* CW Configurator, Versions 1.010L and prior
* Data Transfer, Versions 3.40S and prior
* EZSocket, Versions 4.5 and prior
* FR Configurator2, Versions 1.22Y and prior
* GT Designer3 Version1 (GOT2000), Versions 1.235V and prior
- --------- Begin Update A Part 1 of 2 ---------
* GT SoftGOT1000 Version3, 3.200J and prior
- --------- End Update A Part 1 of 2---------
* GT SoftGOT1000 Version3, all versions
* GT SoftGOT2000 Version1, Bersions 1.235V and prior
* GX LogViewer, Versions 1.100E and prior
* GX Works2, Versions 1.592S and prior
* GX Works3, Versions 1.063R and prior
* M_CommDTM-HART, Version 1.00A
* M_CommDTM-IO-Link, all versions
* MELFA-Works, versions 4.3 and prior
* MELSEC WinCPU Setting Utility, all versions
* MELSOFT EM Software Development Kit (EM Configurator), Versions 1.010L and
prior
* MELSOFT FieldDeviceConfigurator, Versions 1.03D and prior
* MELSOFT Navigator, Versions 2.62Q and prior
* MH11 SettingTool Version2, versions 2.002C and prior
* MI Configurator, all Versions
* Motorizer, Versions 1.005F and prior
* MR Configurator2, Versions 1.105K and prior
* MT Works2, Versions 1.156N and prior
* MX Component, Versions 4.19V and prior
* Network Interface Board CC IE Control utility, all versions
* Network Interface Board CC IE Field Utility, all versions
* Network Interface Board CC-Link Ver.2 Utility, all versions
* Network Interface Board MNETH utility, all versions
* PX Developer, Versions 1.52E and prior
* RT ToolBox2, Versions 3.72A and prior
* RT ToolBox3, Versions 1.70Y and prior
* Setting/monitoring tools for the C Controller module, all versions
4.2 VULNERABILITY OVERVIEW
4.2.1 PERMISSION ISSUES CWE-275
Successful exploitation of this vulnerability could allow an attacker to
escalate privilege and execute malicious programs, which could cause a
denial-of-service condition, and allow information to be disclosed, tampered
with, and/or destroyed.
CVE-2020-14496 has been assigned to this vulnerability. A CVSS v3 base score of
8.3 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:C/C:H
/I:H/A:H).
4.3 BACKGROUND
* CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
* COUNTRIES/AREAS DEPLOYED: Worldwide
* COMPANY HEADQUARTERS LOCATION: Japan
4.4 RESEARCHER
Younes Dragoni of Nozomi Networks, the Applied Risk research team, and Mashav
Sapir of Claroty reported this vulnerability to Mitsubishi Electric.
5. MITIGATIONS
Mitsubishi Electric recommends the following mitigations:
Download the latest version of each software product and update it, excluding
the following products:
* EZSocket is a communication middleware product for Mitsubishi Electric
partner companies. Mitsubishi Electric will directly provide the fixed
version to the partner companies.
* Download and update the latest FR Configurator2 fixed version.
Mitsubishi Electric has provided firmware updates for the following products to
fix the vulnerability. Refer to the manual for update help.
* CPU Module Logging Configuration Tool, Version 1.106K or later
* CW Configurator, Version 1.011M or later
* Data Transfer, Version 3.41T or later
* EZSocket, Version 4.6 or later
* FR Configurator2, Version 1.23Z or later
* GT Designer3 Version1 (GOT2000), Version 1.236W or later
- --------- Begin Update A Part 2 of 2---------
* GT SoftGOT1000 Version3, Version 3.245F or later
- --------- End Update A Part 2 of 2---------
* GT SoftGOT2000 Version1, Version 1.236W or later
* GX LogViewer, Version 1.106K or later
* GX Works2, Version 1.595V or later
* GX Works3, Version 1.065T or later
* M_CommDTM-HART, Version 1.01B or later
* MELFA-Works, Version 4.4 or later
* MELSOFT EM Software Development Kit (EM Configurator), Version 1.015R or
later
* MELSOFT FieldDeviceConfigurator, Version 1.04E or later
* MELSOFT Navigator, Version 2.70Y or later
* MH11 SettingTool Version2, Version 2.003D or later
* Motorizer, Version 1.010L or later
* MR Configurator2, Version 1.106L or later
* MT Works2, Version 1.160S or later
* MX Component, Version 4.20W or later
* PX Developer, Version 1.53F or later
* RT ToolBox2, Version 3.73B or later
* RT ToolBox3, Version 1.80J or later
For users who are using a product that has not released a fixed version or who
cannot immediately update the product, Mitsubishi Electric recommends taking
the following mitigation measures to minimize risk:
* Install the fixed version GX Works2, GX Works3, or MELSOFT Navigator on the
PC on which the product is installed. This is because these three products
provide comprehensive countermeasures that give the same countermeasure
effect to other products installed in the same folder (e.g. C:\Program
files\MELSOFT).
* Operate the products under an account that does not have administrator's
privileges.
* Install an antivirus software in computers using the products.
* Restrict network exposure for all control system devices or systems to the
minimum necessary and ensure they are not accessible from untrusted
networks and hosts.
* Locate control system networks and remote devices behind firewalls and
isolate them from the network.
* Use virtual private network (VPN) when remote access is required.
Additional information about the vulnerability or the Mitsubishi Electric
compensating control is available by contacting a Mitsubishi Electric
representative.
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on us-cert.cisa.gov. Several recommended practices are
available for reading and download, including Improving Industrial Control
Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies.
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves
from social engineering attacks:
* Do not click web links or open unsolicited attachments in email messages.
* Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
* Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
No known public exploits specifically target this vulnerability.
Contact Information
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information: https://
us-cert.cisa.gov/ics
or incident reporting: https://us-cert.cisa.gov/report
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
- --------------------------END INCLUDED TEXT--------------------
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