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TI-2021-08743 Aliases CVE-2021-27196GHSA-xc3v-wx52-jg7g

Specially Crafted IEC 61850 Protocol Sequence Vulnerability

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper Input Validation vulnerability in Hitachi ABB Power Grids Relion 670 Series, Relion 670/650 Series, Relion 670/650/SAM600-IO, Relion 650, REB500, RTU500 Series, FOX615 (TEGO1), MSM, GMS600, PWC600 allows an attacker with access to the IEC 61850 network with knowledge of how to reproduce the attack, as well as the IP addresses of the different IEC 61850 access points (of IEDs/products), to force the device to reboot, which renders the device inoperable for approximately 60 seconds. This vulnerability affects only products with IEC 61850 interfaces. This issue affects: Hitachi ABB Power Grids Relion 670 Series 1.1; 1.2.3 versions prior to 1.2.3.20; 2.0 versions prior to 2.0.0.13; 2.1; 2.2.2 versions prior to 2.2.2.3; 2.2.3 versions prior to 2.2.3.2. Hitachi ABB Power Grids Relion 670/650 Series 2.2.0 versions prior to 2.2.0.13. Hitachi ABB Power Grids Relion 670/650/SAM600-IO 2.2.1 versions prior to 2.2.1.6. Hitachi ABB Power Grids Relion 650 1.1; 1.2; 1.3 versions prior to 1.3.0.7. Hitachi ABB Power Grids REB500 7.3; 7.4; 7.5; 7.6; 8.2; 8.3. Hitachi ABB Power Grids RTU500 Series 7.x version 7.x and prior versions; 8.x version 8.x and prior versions; 9.x version 9.x and prior versions; 10.x version 10.x and prior versions; 11.x version 11.x and prior versions; 12.x version 12.x and prior versions. Hitachi ABB Power Grids FOX615 (TEGO1) R1D02 version R1D02 and prior versions. Hitachi ABB Power Grids MSM 2.1.0 versions prior to 2.1.0. Hitachi ABB Power Grids GMS600 1.3.0 version 1.3.0 and prior versions. Hitachi ABB Power Grids PWC600 1.0 versions prior to 1.0.1.4; 1.1 versions prior to 1.1.0.1.

Why it matters now

EPSS 0.01575 75th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:o:hitachienergy:relion_670_firmware:*:*:*:*:*:*:*:*1.2.3 to before 1.2.3.20; 2.0 to before 2.0.0.13; 2.2.0 to before 2.2.0.13; 2.2.1 to before 2.2.1.6; 2.2.2 to before 2.2.2.3; 2.2.3 to before 2.2.3.2VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:relion_670_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:relion_670_firmware:2.1:*:*:*:*:*:*:*2.1VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:relion_670:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:relion_650_firmware:*:*:*:*:*:*:*:*1.3 to before 1.3.0.7; 2.2.0 to before 2.2.0.13; 2.2.1 to before 2.2.1.6VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:relion_650_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:relion_650_firmware:1.2:*:*:*:*:*:*:*1.2VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:relion_650_firmware:2.1:*:*:*:*:*:*:*2.1VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:relion_650:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:relion_sam600-io_firmware:*:*:*:*:*:*:*:*2.2.1 to before 2.2.1.6VulnerableHitachi Energy
  • cpe:2.3:o:hitachienergy:relion_670_firmware:*:*:*:*:*:*:*:* Versions 1.2.3 to before 1.2.3.20; 2.0 to before 2.0.0.13; 2.2.0 to before 2.2.0.13; 2.2.1 to before 2.2.1.6; 2.2.2 to before 2.2.2.3; 2.2.3 to before 2.2.3.2 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_670_firmware:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_670_firmware:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:relion_670:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_650_firmware:*:*:*:*:*:*:*:* Versions 1.3 to before 1.3.0.7; 2.2.0 to before 2.2.0.13; 2.2.1 to before 2.2.1.6 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_650_firmware:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_650_firmware:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_650_firmware:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:relion_650:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:relion_sam600-io_firmware:*:*:*:*:*:*:*:* Versions 2.2.1 to before 2.2.1.6 Vulnerable ·Hitachi Energy
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:hitachienergy:relion_sam600-io:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:7.0:*:*:*:*:*:*:*7.0VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:8.0:*:*:*:*:*:*:*8.0VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:9.0:*:*:*:*:*:*:*9.0VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:10.0:*:*:*:*:*:*:*10.0VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:11.0:*:*:*:*:*:*:*11.0VulnerableHitachi Energy
cpe:2.3:o:hitachienergy:rtu500_firmware:12.0:*:*:*:*:*:*:*12.0VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:rtu500:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:reb500_firmware:*:*:*:*:*:*:*:*7.3 to before 7.60.19; 8.2 to before 8.2.0.5; 8.3 – 8.3.1.0VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:reb500:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:fox615_tego1_firmware:*:*:*:*:*:*:*:*before r2a16VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:fox615_tego1:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:modular_switchgear_monitoring_firmware:*:*:*:*:*:*:*:*before 2.1.0VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:modular_switchgear_monitoring:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:gms600_firmware:*:*:*:*:*:*:*:*up to 1.3.0VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:gms600:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
cpe:2.3:o:hitachienergy:pwc600_firmware:*:*:*:*:*:*:*:*1.0 to before 1.0.1.4; 1.1 to before 1.1.0.1VulnerableHitachi Energy
cpe:2.3:h:hitachienergy:pwc600:-:*:*:*:*:*:*:*not specified by NVDRunning onHitachi Energy
  • cpe:2.3:h:hitachienergy:relion_sam600-io:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:rtu500_firmware:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:rtu500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:reb500_firmware:*:*:*:*:*:*:*:* Versions 7.3 to before 7.60.19; 8.2 to before 8.2.0.5; 8.3 – 8.3.1.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:reb500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:fox615_tego1_firmware:*:*:*:*:*:*:*:* Versions before r2a16 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:fox615_tego1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:modular_switchgear_monitoring_firmware:*:*:*:*:*:*:*:* Versions before 2.1.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:modular_switchgear_monitoring:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:gms600_firmware:*:*:*:*:*:*:*:* Versions up to 1.3.0 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:gms600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
  • cpe:2.3:o:hitachienergy:pwc600_firmware:*:*:*:*:*:*:*:* Versions 1.0 to before 1.0.1.4; 1.1 to before 1.1.0.1 Vulnerable ·Hitachi Energy
  • cpe:2.3:h:hitachienergy:pwc600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27196
  2. 2026-10-03 Alias added: GHSA-xc3v-wx52-jg7g

References

  • TI-2022-03099 IEC 61850 MMS-Server Vulnerability in multiple Hitachi Energy Products CVSS 3.1HIGH 7.5

Sources