Improper input validation in Relion 650 and 670 Series
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 · NVD. Fix status from CNA.
Summary
An attacker may use a specially crafted message to force Relion 650 series (versions 1.3.0.5 and prior) or Relion 670 series (versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and prior) to reboot, which could cause a denial of service.
Why it matters now
EPSS 0.01551 75th percentileScored 2026-11-07
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Relion 650 and 670 Series | Relion 650 series versions 1.3.0.5 and prior, Relion 670 series versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and prior | — | No fix listed | CNA |
- Relion 650 and 670 Series Vendor— Affected Relion 650 series versions 1.3.0.5 and prior, Relion 670 series versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and prior Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:hitachienergy:relion_650_firmware:*:*:*:*:*:*:*:* | up to 1.3.0.5 | Vulnerable | Hitachi Energy |
| cpe:2.3:h:hitachienergy:relion_650:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hitachi Energy |
| cpe:2.3:o:hitachienergy:relion_670_firmware:*:*:*:*:*:*:*:* | up to 1.2.3.18 | Vulnerable | Hitachi Energy |
| cpe:2.3:h:hitachienergy:relion_670:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hitachi Energy |
| cpe:2.3:o:hitachienergy:relion_670_firmware:*:*:*:*:*:*:*:* | 2.0.0 – 2.0.0.11; 2.1.0 – 2.1.0.1 | Vulnerable | Hitachi Energy |
- cpe:2.3:o:hitachienergy:relion_650_firmware:*:*:*:*:*:*:*:* Versions up to 1.3.0.5 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_670_firmware:*:*:*:*:*:*:*:* Versions up to 1.2.3.18 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_670_firmware:*:*:*:*:*:*:*:* Versions 2.0.0 – 2.0.0.11; 2.1.0 – 2.1.0.1 Vulnerable ·Hitachi Energy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-18247
- 2026-10-03 Alias added: GHSA-gr3p-h56x-rc2c
References
More Hitachi Energy Relion 650 Firmware vulnerabilities
- TI-2022-03099 IEC 61850 MMS-Server Vulnerability in multiple Hitachi Energy Products CVSS 3.1HIGH 7.5
- TI-2021-14266 Insufficient Security Control Vulnerability CVSS 3.1HIGH 8.1
- TI-2021-08743 Specially Crafted IEC 61850 Protocol Sequence Vulnerability CVSS 3.1HIGH 7.5
- TI-2021-14265 Insufficient Security Control Vulnerability CVSS 3.1HIGH 7.2
- TI-2023-04170 A vulnerability exists in the input validation of the GOOSE messages where out of range… CVSS 3.1HIGH 7.5
- TI-2022-03542 Improper signature verification in Hitachi Energy Relion 670/650/SAM600-IO Series CVSS 3.1MEDIUM 4.5
Sources
- CVE-2019-18247 · CVE Program
- CVE-2019-18247 · NVD
- FIRST EPSS
- GHSA-gr3p-h56x-rc2c · GitHub Advisory Database · CC BY 4.0
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