Vulnerability Monitor

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CVE-2021-35534


Insufficient security control vulnerability in internal database access mechanism of Hitachi Energy Relion 670/650/SAM600-IO, Relion 650, GMS600, PWC600 allows attacker who successfully exploited this vulnerability, of which the product does not sufficiently restrict access to an internal database tables, could allow anybody with user credentials to bypass security controls that is enforced by the product. Consequently, exploitation may lead to unauthorized modifications on data/firmware, and/or to permanently disabling the product. This issue affects: Hitachi Energy Relion 670 Series 2.0 all revisions; 2.2.2 all revisions; 2.2.3 versions prior to 2.2.3.5. Hitachi Energy Relion 670/650 Series 2.1 all revisions. 2.2.0 all revisions; 2.2.4 all revisions; Hitachi Energy Relion 670/650/SAM600-IO 2.2.1 all revisions; 2.2.5 versions prior to 2.2.5.2. Hitachi Energy Relion 650 1.0 all revisions. 1.1 all revisions; 1.2 all revisions; 1.3 versions prior to 1.3.0.8; Hitachi Energy GMS600 1.3.0; 1.3.0.1; 1.2.0. Hitachi Energy PWC600 1.0.1 version 1.0.1.4 and prior versions; 1.1.0 version 1.1.0.1 and prior versions.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.2, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 10 products from hitachienergy, from hitachienergy, from hitachienergy and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-11-18T17:15:08.397

Last Modified

2024-11-21T06:12:27.813

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-274
  • Type: Primary
    CWE-269

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System hitachienergy gms600_firmware 1.2.0 Yes
Operating System hitachienergy gms600_firmware 1.3.0 Yes
Operating System hitachienergy gms600_firmware 1.3.1.0 Yes
Hardware hitachienergy gms600 - No
Operating System hitachienergy relion_670_firmware * Yes
Operating System hitachienergy relion_670_firmware 2.0.0 Yes
Operating System hitachienergy relion_670_firmware 2.1.0 Yes
Operating System hitachienergy relion_670_firmware 2.2.0 Yes
Operating System hitachienergy relion_670_firmware 2.2.1 Yes
Operating System hitachienergy relion_670_firmware 2.2.2 Yes
Operating System hitachienergy relion_670_firmware 2.2.3 Yes
Operating System hitachienergy relion_670_firmware 2.2.4 Yes
Operating System hitachienergy relion_670_firmware 2.2.5 Yes
Hardware hitachienergy relion_670 - No
Operating System hitachienergy relion_650_firmware 1.0.0 Yes
Operating System hitachienergy relion_650_firmware 1.1.0 Yes
Operating System hitachienergy relion_650_firmware 1.2.0 Yes
Operating System hitachienergy relion_650_firmware 1.3.0 Yes
Operating System hitachienergy relion_650_firmware 2.1.0 Yes
Operating System hitachienergy relion_650_firmware 2.2.0 Yes
Operating System hitachienergy relion_650_firmware 2.2.1 Yes
Operating System hitachienergy relion_650_firmware 2.2.4 Yes
Operating System hitachienergy relion_650_firmware 2.2.5 Yes
Hardware hitachienergy relion_650 - No
Operating System hitachienergy relion_sam600-io_firmware 2.2.1 Yes
Operating System hitachienergy relion_sam600-io_firmware 2.2.5 Yes
Hardware hitachienergy relion_sam600-io - No
Operating System hitachienergy pwc600_firmware 1.0.1.0 Yes
Operating System hitachienergy pwc600_firmware 1.0.1.1 Yes
Operating System hitachienergy pwc600_firmware 1.0.1.3 Yes
Operating System hitachienergy pwc600_firmware 1.0.1.4 Yes
Operating System hitachienergy pwc600_firmware 1.1.0.0 Yes
Operating System hitachienergy pwc600_firmware 1.1.0.1 Yes
Hardware hitachienergy pwc600 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hitachienergy's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.