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TI-2022-04211 Aliases CVE-2022-4608GHSA-5568-g9wp-2cv7

Out-of-bounds write in Hitachi Energy RTU500 series

Priority MEDIUM 40CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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 session parameters causes an unexpected restart due to a stack overflow.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00712 53rd percentileScored 2026-11-07
Fix Fixed RTU500 series (Hitachi Energy): RTU500 series CMU Firmware version 13.3.3, RTU500 series CMU Firmware version 13.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Hitachi EnergyRTU500 seriesRTU500 series CMU Firmware version 13.3.1; RTU500 series CMU Firmware version 13.3.2RTU500 series CMU Firmware version 13.3.3, RTU500 series CMU Firmware version 13.4.1Patch availableCNA
  • RTU500 series VendorHitachi Energy Affected RTU500 series CMU Firmware version 13.3.1; RTU500 series CMU Firmware version 13.3.2 Fixed in RTU500 series CMU Firmware version 13.3.3, RTU500 series CMU Firmware version 13.4.1 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.1:*:*:*:*:*:*:*13.3.1VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.2:*:*:*:*:*:*:*13.3.2VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.3:*:*:*:*:*:*:*13.3.3VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:13.4.1:*:*:*:*:*:*:*13.4.1VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:rtu500:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.1:*:*:*:*:*:*:* Versions 13.3.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.2:*:*:*:*:*:*:* Versions 13.3.2 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:13.3.3:*:*:*:*:*:*:* Versions 13.3.3 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:13.4.1:*:*:*:*:*:*:* Versions 13.4.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:rtu500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy

Remediation

  • Fix · CNA RTU500 series (Hitachi Energy) Fixed in RTU500 series CMU Firmware version 13.3.3, RTU500 series CMU Firmware version 13.4.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Hitachi Energy RTU500 series — publisher.hitachienergy.com/preview?DocumentID=8DBD000121&L…

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2022-02312 Improper input validation in Hitachi Energy RTU500 seriesPriority MEDIUM 40
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4608
  2. 2026-10-03 Alias added: GHSA-5568-g9wp-2cv7

References

Advisory 1

  • TI-2022-03099 IEC 61850 MMS-Server Vulnerability in multiple Hitachi Energy Products CVSS 3.1HIGH 7.5
  • TI-2022-02312 Improper input validation in Hitachi Energy RTU500 series CVSS 3.1HIGH 7.5
  • TI-2021-08743 Specially Crafted IEC 61850 Protocol Sequence Vulnerability CVSS 3.1HIGH 7.5
  • TI-2022-11258 Specially Crafted Modbus TCP Packet Vulnerability in RTU500 series CVSS 3.1HIGH 7.5
  • TI-2021-14264 Specially Crafted IEC 60870-5-104 Packet Vulnerability in RTU500 series CVSS 3.1HIGH 7.5
  • TI-2023-06138 Buffer overflow in Hitachi Energy RTU500 series CMU Firmware CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences