Security Resilience

CVE-2023-4518

Hitachienergy Relion 670 Firmware 2.2.0 – 2.2.2.6

Published
01 December 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0070 52th percentile
Risk Priority 51 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-4518 is a medium-severity Improper Validation of Specified Quantity in Input (CWE-1284) vulnerability in Hitachienergy Relion 670 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique OS Credential Dumping (T1003); ranked in the top 48% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

A vulnerability exists in the input validation of the GOOSE messages where out of range values received and processed by the IED caused a reboot of the device. In order for an attacker to exploit the vulnerability, goose receiving blocks…

more

need to be configured.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003 OS Credential Dumping Credential Access
Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.
T1003.001 LSASS Memory Credential Access
Adversaries may attempt to access credential material stored in the process memory of the Local Security Authority Subsystem Service (LSASS).
T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-36407Shared CWE-1284
CVE-2024-30527Shared CWE-1284
CVE-2025-43970Shared CWE-1284
CVE-2026-6915Shared CWE-1284
CVE-2026-109380Shared CWE-1284
CVE-2026-33349Shared CWE-1284
CVE-2026-53540Shared CWE-1284
CVE-2022-4989Shared CWE-1284
CVE-2024-31957Shared CWE-1284
CVE-2026-59531Shared CWE-1284

Affected Assets

hitachienergy
relion 670 firmware
2.2.0 — 2.2.2.6 · 2.2.3 — 2.2.3.7 · 2.2.4 — 2.2.4.4
hitachienergy
relion 650 firmware
2.2.1, 2.2.1.6 · 2.2.4 — 2.2.4.4 · 2.2.5 — 2.2.5.6
hitachienergy
relion sam600-io firmware
2.2.1, 2.2.1.6 · 2.2.5 — 2.2.5.6

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V6.7.2
  • V1.4.2
  • V2.2.1
  • V2.2.2

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly require proper quantity/length validation in input handling.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

removes
removes
removes
removes
removes

References