CVE-2021-35534 - CVE House
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Status published High CVE-2021-35534

Insufficient Security Control Vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Hitachi Energy thanks the following for working with us to help protect customers: U.S. Department of Energy CyTRICS researcher Robert Erbes.

Affected Vendor

Hitachi Energy

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Affected Software

Relion 670 Series, Relion 670/650 Series, Relion 670/650/SAM600-IO, Relion 650, GMS600, PWC600
Vulnerable Versions:
2.0 all revisions, 2.2.2 all revisions, 2.2.3, 2.2.0 all revisions, 2.2.4 all revisions, 2.1 all revisions, 2.2.1 all revisions, 2.2.5, 1.1 all revisions, 1.2 all revisions, 1.0 all revisions, 1.3, 1.3.0, 1.3.1.0 1.3.0.1, 1.2.0, 1.0.1, 1.1.0

Timeline

Official Publish: November 18th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.