Cybersecurity in Power Grids: Standards and Research Challenges

This paper examines Smart Grid cybersecurity, emphasizing the critical distinctions between IT and OT environments. It analyzes grid architecture, substation threats, and key international standards, specifically IEC 62351, IEC 62443, and ISO 27001. Finally, it overviews latest research trends,...

PT-2025-12795

Name of the Vulnerable Software and Affected Versions RTU500 versions up to 13.4.4, 13.5.3, 13.6.1, 13.7.4, 13.7.5 Description A vulnerability exists in the RTU500 IEC 60870-5-104 controlled station functionality and IEC 61850 functionality. This issue allows an attacker to restart the affected C...

CVE-2024-12169: Undefined Security Weakness

A vulnerability exists in RTU500 IEC 60870-5-104 controlled station functionality and IEC 61850 functionality, that allows an attacker performing a specific attack sequence to restart the affected CMU. This vulnerability only applies, if secure communication using IEC 62351-3 TLS is enabled...

Hitachi Energy RTU500 series Stack-Based Buffer Overflow (CVE-2022-4608)

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of...

CVE-2022-4608

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of...

CVE-2022-2502

A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must ...

CVE-2022-2502

A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must ...

Buffer overflow

A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must ...

CVE-2022-4608

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of...

CVE-2022-2502

A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must ...

CVE-2022-2502

The CVE-2022-2502 issue affects Hitachi Energy RTU500 series CMU firmware with HCI IEC 60870-5-104 when IEC 62351-5 is enabled and the CMU license feature “Advanced security” is active. The vulnerability arises from missing input validation in the HCI IEC 60870-5-104 function, which can cause an ...

CVE-2022-2502: Improper Input Validation

A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-5 and the CMU contains the license feature ‘Advanced security’ which must ...

CVE-2022-4608: Out-of-bounds Write

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of...

PT-2023-4235 · Hitachi Energy · Rtu500 Series

Name of the Vulnerable Software and Affected Versions: Hitachi Energy RTU500 series product affected versions not specified Description: The issue is related to a buffer overflow in the stack of the HCI interface, which functions according to the IEC 60870-5-104 standard. This can be exploited by...