Hitachi Energy MicroSCADA X SYS600

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1. EXECUTIVE SUMMARY CVSS v4 7.1 ATTENTION: Exploitable remotely/low attack complexity Vendor: Hitachi Energy Equipment: MicroSCADA X SYS600 Vulnerabilities: Incorrect Default Permissions, External Control of File Name or Path, Improper Validation of Integrity Check Value, Exposure of Sensitive Information Through Data Queries, Improper Certificate Validation
2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to tamper with the system file, overwrite files, create a denial-of-service condition, or leak file content.
3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS Hitachi Energy reports that the following products are affected: Hitachi Energy MicroSCADA Pro/X SYS600: version 10.0 up to 10.6 (CVE-2025-39201, CVE-2025-39202, CVE-2025-39204, CVE-2025-39205) Hitachi Energy MicroSCADA Pro/X SYS600: version 10.5 up to 10.6 (CVE-2025-39203) Hitachi Energy MicroSCADA Pro/X SYS600: version 10.3 up to 10.6 (CVE-2025-39205) 3.2 VULNERABILITY OVERVIEW 3.2.1 INCORRECT DEFAULT PERMISSIONS CWE-276 A vulnerability exists in the mailslot functionality of the MicroSCADA X SYS600 product. If exploited this could allow a local attacker to tamper the mailslot configuration file, making denial of mailslot a related service. CVE-2025-39201 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.1 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H). A CVSS v4 score has also been calculated for CVE-2025-39201. A base score of 6.9 has been calculated; the CVSS vector string is (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:L). 3.2.2 EXTERNAL CONTROL OF FILE NAME OR PATH CWE-73 A vulnerability exists in Monitor Pro and Supervision log of MicroSCADA X SYS600 product. Local, authenticated low privilege user can see and overwrite files causing information leak and data corruption. CVE-2025-39202 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H). A CVSS v4 score has also been calculated for CVE-2025-39202. A base score of 8.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:H/SA:H). 3.2.3 IMPROPER VALIDATION OF INTEGRITY CHECK VALUE CWE-354 Crafted message content from IED or remote system can cause denial-of-service resulting in disconnection loop. CVE-2025-39203 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). A CVSS v4 score has also been calculated for CVE-2025-39203. A base score of 8.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H). 3.2.4 EXPOSURE OF SENSITIVE INFORMATION THROUGH DATA QUERIES CWE-202 Filtering query in MicroSCADA X SYS600 can be malformed, so returning data can leak any file content. CVE-2025-39204 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). A CVSS v4 score has also been calculated for CVE-2025-39204. A base score of 8.5 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H). 3.2.5 IMPROPER CERTIFICATE VALIDATION CWE-295 A vulnerability exists in MicroSCADA X SYS600 certificate validation system. TLS protocol was allowing remote Man-in-the-Middle attack due to giving too many permissions. CVE-2025-39205 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). A CVSS v4 score has also been calculated for CVE-2025-39205. A base score of 8.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Energy COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: Switzerland 3.4 RESEARCHER Hitachi Energy PSIRT reported these vulnerabilities to CISA.
4. MITIGATIONS Hitachi Energy has identified the following specific workarounds and mitigations users can apply to reduce risk: (CVE-2025-39201, CVE-2025-39202, CVE-2025-39204) Hitachi Energy MicroSCADA X SYS600 versions from 10.0 to 10.6: Update to version 10.7 (CVE-2025-39203) Hitachi Energy MicroSCADA X SYS600 versions from 10.5 to 10.6: Update to version 10.7 (CVE-2025-39205) Hitachi Energy MicroSCADA X SYS600 versions from 10.3 to 10.6: Update to version 10.7 The following product versions have been fixed: MicroSCADA X SYS600 10.7 is a fixed version for CVE-2025-39201 MicroSCADA X SYS600 10.7 is a fixed version for CVE-2025-39202 MicroSCADA X SYS600 10.7 is a fixed version for CVE-2025-39203 MicroSCADA X SYS600 10.7 is a fixed version for CVE-2025-39204 MicroSCADA X SYS600 10.7 is a fixed version for CVE-2025-39205 For more information see the associated Hitachi Energy PSIRT security advisory 8DBD000218 Cybersecurity Advisory - Multiple vulnerabilities in Hitachi Energy MicroSCADA Pro/X SYS600 product. CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices. 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. 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 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: Do not click web links or open attachments in unsolicited 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 exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.
5. UPDATE HISTORY July 03, 2025: Initial Republication of Hitachi Energy Advisory 8DBD000218.