9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
7.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.8%
This updated advisory is a follow-up to the original advisory titled “ICSA-21-336-06 Hitachi Energy APM Edge” that was published December 02, 2021, on the ICS webpage on cisa.gov/ics.
Successful exploitation of this vulnerability could cause the product to become inaccessible.
Hitachi Energy reports this vulnerability affects the following APM product versions:
--------- Begin Update A part 1 of 2 ---------
--------- End Update A part 1 of 2 ---------
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).
Hitachi Energy reported to CISA that Transformer APM Edge contains open-source components with these known vulnerabilities.
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:
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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-8872
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1547
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1549
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1563
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-20388
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-10713
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14308
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14309
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14310
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14311
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14372
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-15705
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-15706
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-15707
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-1971
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-24977
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-25632
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-27749
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-27779
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-20225
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-20233
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-23840
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-23841
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3449
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3516
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3517
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3518
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3537
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3541
cwe.mitre.org/data/definitions/1357.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
search.abb.com/library/Download.aspx?DocumentID=8DBD000057&LanguageCode=en&DocumentPartId=&Action=Launch
twitter.com/CISAgov
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us-cert.cisa.gov/ics
us-cert.cisa.gov/ics/recommended-practices
us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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mailto:?subject=Hitachi%20Energy%20APM%20Edge%20%28Update%20A%29&body=www.cisa.gov/news-events/ics-advisories/icsa-21-336-06
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
7.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.8%