8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
19.5%
Successful exploitation of this vulnerability could allow an authenticated user to enter an arbitrary password to execute equipment tag out actions.
Hitachi Energy reports these vulnerabilities affect the following products:
3.2.1 IMPROPER AUTHENTICATION CWE-287
A vulnerability exists in the Equipment Tag Out authentication, when configured with Single Sign-On (SSO) with password validation in T214. This vulnerability can be exploited by an authenticated user performing an Equipment Tag Out holder action (Accept, Release, and Clear) for another user and entering an arbitrary password in the holder action confirmation dialog box. Despite entering an arbitrary password in the confirmation box, the system will execute the selected holder action.
CVE-2023-4816 has been assigned to this vulnerability. A CVSS v3 base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:L).
Hitachi Energy reported this vulnerability to CISA.
Hitachi Energy recommends applying one the following mitigation actions until a fix has been delivered in a patch:
For more information, see Hitachi Energy advisory 8DBD000172
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:
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 cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report 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:
No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-4816
cwe.mitre.org/data/definitions/287.html
github.com/cisagov/CSAF
images.go.hitachienergy.com/Web/ABBEnterpriseSoftware/%7B70b3d323-4866-42e1-8a75-58996729c1d4%7D_8DBD000172-VU-2023-23_Asset_Suite_Tagout_vulnerability_Rev1.pdf
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Hitachi%20Energy%20Asset%20Suite%209+https://www.cisa.gov/news-events/ics-advisories/icsa-23-269-02
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/resources-tools/resources/ics-recommended-practices
www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:L
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