CVE-2025-39202: CWE-269 Improper Privilege Management in Hitachi Energy MicroSCADA X SYS600
A vulnerability exists in in the Monitor Pro interface of the MicroSCADA X SYS600 product. An authenticated user with low privileges can see and overwrite files causing information leak and data corruption.
AI Analysis
Technical Summary
CVE-2025-39202 is a high-severity vulnerability identified in Hitachi Energy's MicroSCADA X SYS600 product, specifically within the Monitor Pro interface. This vulnerability stems from improper privilege management (CWE-269), allowing an authenticated user with low-level privileges to access and overwrite files beyond their authorization scope. The flaw enables such users to both leak sensitive information and cause data corruption. The vulnerability affects version 10.0 of the product and does not require user interaction or elevated privileges beyond low-level authentication. The CVSS 4.0 base score is 8.3, reflecting a high severity due to the combination of local attack vector, low complexity, no need for authentication elevation, and significant impacts on confidentiality, integrity, and availability. The vulnerability’s scope is high, indicating that the impact extends beyond the initially compromised component, potentially affecting the entire system. The Monitor Pro interface is a critical component used for supervisory control and data acquisition (SCADA) in energy infrastructure, making this vulnerability particularly sensitive. Although no known exploits are currently reported in the wild, the potential for exploitation exists given the ease of access by low-privileged authenticated users and the critical nature of the affected systems. The vulnerability could be leveraged by insiders or attackers who have gained limited access to the system to escalate damage by corrupting operational data or exfiltrating sensitive information, potentially disrupting energy grid operations or causing cascading failures in industrial control systems.
Potential Impact
For European organizations, especially those in the energy sector, this vulnerability poses a significant risk. MicroSCADA X SYS600 is widely used in critical infrastructure for monitoring and controlling electrical grids and substations. Exploitation could lead to unauthorized disclosure of sensitive operational data, undermining confidentiality, and could corrupt control data, impacting the integrity and availability of energy distribution systems. This can result in operational disruptions, financial losses, and safety hazards. Given the increasing focus on securing critical infrastructure in Europe, a successful attack exploiting this vulnerability could also have regulatory and reputational consequences. The impact is amplified by the fact that low-privileged users—who may be contractors, maintenance personnel, or compromised internal accounts—can trigger these effects without needing elevated privileges or complex attack methods. This vulnerability could also be a stepping stone for more advanced attacks targeting the broader industrial control environment, potentially affecting grid stability and resilience.
Mitigation Recommendations
1. Immediate mitigation should include restricting access to the Monitor Pro interface strictly to trusted and vetted personnel, implementing strict role-based access controls (RBAC) to limit the number of users with any access to the vulnerable interface. 2. Conduct thorough audits of user accounts and permissions to ensure no unnecessary low-privilege accounts exist that could be exploited. 3. Implement network segmentation to isolate SCADA systems from general IT networks and limit lateral movement opportunities. 4. Monitor file integrity and access logs on the MicroSCADA X SYS600 systems to detect unusual file access or modifications indicative of exploitation attempts. 5. Since no patch is currently available, consider deploying compensating controls such as application-layer firewalls or endpoint detection and response (EDR) solutions tailored to detect anomalous behavior on SCADA endpoints. 6. Engage with Hitachi Energy for updates on patches or official workarounds and plan for rapid deployment once available. 7. Train operational technology (OT) staff to recognize signs of exploitation and enforce strict authentication and session management policies. 8. Where feasible, implement multi-factor authentication (MFA) for all users accessing SCADA interfaces to reduce the risk of compromised credentials being leveraged.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Sweden, Poland, Belgium, Norway
CVE-2025-39202: CWE-269 Improper Privilege Management in Hitachi Energy MicroSCADA X SYS600
Description
A vulnerability exists in in the Monitor Pro interface of the MicroSCADA X SYS600 product. An authenticated user with low privileges can see and overwrite files causing information leak and data corruption.
AI-Powered Analysis
Technical Analysis
CVE-2025-39202 is a high-severity vulnerability identified in Hitachi Energy's MicroSCADA X SYS600 product, specifically within the Monitor Pro interface. This vulnerability stems from improper privilege management (CWE-269), allowing an authenticated user with low-level privileges to access and overwrite files beyond their authorization scope. The flaw enables such users to both leak sensitive information and cause data corruption. The vulnerability affects version 10.0 of the product and does not require user interaction or elevated privileges beyond low-level authentication. The CVSS 4.0 base score is 8.3, reflecting a high severity due to the combination of local attack vector, low complexity, no need for authentication elevation, and significant impacts on confidentiality, integrity, and availability. The vulnerability’s scope is high, indicating that the impact extends beyond the initially compromised component, potentially affecting the entire system. The Monitor Pro interface is a critical component used for supervisory control and data acquisition (SCADA) in energy infrastructure, making this vulnerability particularly sensitive. Although no known exploits are currently reported in the wild, the potential for exploitation exists given the ease of access by low-privileged authenticated users and the critical nature of the affected systems. The vulnerability could be leveraged by insiders or attackers who have gained limited access to the system to escalate damage by corrupting operational data or exfiltrating sensitive information, potentially disrupting energy grid operations or causing cascading failures in industrial control systems.
Potential Impact
For European organizations, especially those in the energy sector, this vulnerability poses a significant risk. MicroSCADA X SYS600 is widely used in critical infrastructure for monitoring and controlling electrical grids and substations. Exploitation could lead to unauthorized disclosure of sensitive operational data, undermining confidentiality, and could corrupt control data, impacting the integrity and availability of energy distribution systems. This can result in operational disruptions, financial losses, and safety hazards. Given the increasing focus on securing critical infrastructure in Europe, a successful attack exploiting this vulnerability could also have regulatory and reputational consequences. The impact is amplified by the fact that low-privileged users—who may be contractors, maintenance personnel, or compromised internal accounts—can trigger these effects without needing elevated privileges or complex attack methods. This vulnerability could also be a stepping stone for more advanced attacks targeting the broader industrial control environment, potentially affecting grid stability and resilience.
Mitigation Recommendations
1. Immediate mitigation should include restricting access to the Monitor Pro interface strictly to trusted and vetted personnel, implementing strict role-based access controls (RBAC) to limit the number of users with any access to the vulnerable interface. 2. Conduct thorough audits of user accounts and permissions to ensure no unnecessary low-privilege accounts exist that could be exploited. 3. Implement network segmentation to isolate SCADA systems from general IT networks and limit lateral movement opportunities. 4. Monitor file integrity and access logs on the MicroSCADA X SYS600 systems to detect unusual file access or modifications indicative of exploitation attempts. 5. Since no patch is currently available, consider deploying compensating controls such as application-layer firewalls or endpoint detection and response (EDR) solutions tailored to detect anomalous behavior on SCADA endpoints. 6. Engage with Hitachi Energy for updates on patches or official workarounds and plan for rapid deployment once available. 7. Train operational technology (OT) staff to recognize signs of exploitation and enforce strict authentication and session management policies. 8. Where feasible, implement multi-factor authentication (MFA) for all users accessing SCADA interfaces to reduce the risk of compromised credentials being leveraged.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Hitachi Energy
- Date Reserved
- 2025-04-16T05:26:03.424Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 685a91fedec26fc862d97be8
Added to database: 6/24/2025, 11:54:38 AM
Last enriched: 6/24/2025, 12:11:05 PM
Last updated: 8/13/2025, 4:03:42 PM
Views: 30
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