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AUSCERT External Security Bulletin Redistribution
ESB-2021.4104
Advisory (icsa-21-336-06) Hitachi Energy APM Edge
3 December 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Hitachi Energy APM Edge
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-23841 CVE-2021-23840 CVE-2021-20233
CVE-2021-20225 CVE-2021-3541 CVE-2021-3537
CVE-2021-3518 CVE-2021-3517 CVE-2021-3516
CVE-2021-3449 CVE-2020-27779 CVE-2020-27749
CVE-2020-25632 CVE-2020-24977 CVE-2020-15707
CVE-2020-15706 CVE-2020-15705 CVE-2020-14372
CVE-2020-14311 CVE-2020-14310 CVE-2020-14309
CVE-2020-14308 CVE-2020-10713 CVE-2020-1971
CVE-2019-20388 CVE-2019-1563 CVE-2019-1549
CVE-2019-1547 CVE-2017-8872
Reference: ESB-2021.1207
ESB-2021.1133
ESB-2021.1075
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-21-336-06
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ICS Advisory (ICSA-21-336-06)
Hitachi Energy APM Edge
Original release date: December 02, 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 8.2
o ATTENTION: Low attack complexity
o Vendor: Hitachi Energy
o Equipment: Transformer Asset Performance Management (APM) Edge
o Vulnerability: Using Components with Known Vulnerabilities
2. RISK EVALUATION
Successful exploitation of this vulnerability could cause the product to become
inaccessible.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Hitachi Energy reports this vulnerability affects the following APM product
versions:
o APM Edge Version 1.0
o APM Edge Version 2.0
o APM Edge Version 3.0
3.2 VULNERABILITY OVERVIEW
3.2.1 USING COMPONENTS WITH KNOWN VULNERABILITIES
Hitachi Energy is aware of public reports of this vulnerability in the
following open-source software components: OpenSSL, LibSSL, libxml2 and GRUB2
bootloader. The vulnerability also affects some APM Edge products. An attacker
who successfully exploits this vulnerability could cause the product to become
inaccessible.
CVE-2021-3449 , CVE-2020-1971 , CVE-2019-1563 , CVE-2019-1549 , CVE-2019-1547 ,
CVE-2021-23840 , CVE-2021-23841 , CVE-2017-8872 , CVE-2019-20388 ,
CVE-2020-24977 , CVE-2021-3516 , CVE-2021-3517 , CVE-2021-3518 , CVE-2021-3537
, CVE-2021-3541 , CVE-2020-10713 , CVE-2020-14308 , CVE-2020-14309 ,
CVE-2020-14310 , CVE-2020-14311 , CVE-2020-15705 , CVE-2020-15706 ,
CVE-2020-15707 , CVE-2020-14372 , CVE-2020-25632 , CVE-2020-27749 ,
CVE-2020-27779 , CVE-2021-20225 , and CVE-2021-20233 have been assigned to the
vulnerability in these components.
A CVSS v3 base score of 8.2 has been calculated for the worst case; the CVSS
vector string is ( AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Energy
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Switzerland
3.4 RESEARCHER
Hitachi Energy reported to CISA that Transformer APM Edge contains open-source
components with these known vulnerabilities.
4. MITIGATIONS
Hitachi Energy recommends users update to Transformer APM Edge v4.0. This
version updates the software components to remediate this vulnerability.
Hitachi Energy recommends the following security practices and firewall
configurations to help protect process control networks from attacks that
originate from outside the network:
o Physically protect process control systems from direct access by
unauthorized personnel.
o Do not directly connect to the Internet.
o Separated from other networks by means of a firewall system that has a
minimal number of ports exposed.
o Process control systems should not be used for Internet surfing, instant
messaging, or receiving e-mails.
o Portable computers and removable storage media should be carefully scanned
for viruses before they are connected to a control system.
Please see Hitachi Energy advisory 8DBD000057 for additional mitigation and
update information.
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.
No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely.
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.
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