CVE-2021-35534

Insufficient Security Control 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.

Remediation

Solution:

  • Refer to the cybersecurity advisories at https://www.hitachienergy.com/cybersecurity/alerts-and-notifications

Categories

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory abb.com Vendor Advisory abb.com Vendor Advisory abb.com
Affected: Hitachi Energy Relion 670 Series
Affected: Hitachi Energy Relion 670/650 Series
Affected: Hitachi Energy Relion 670/650/SAM600-IO
Affected: Hitachi Energy Relion 650
Affected: Hitachi Energy GMS600
Affected: Hitachi Energy PWC600
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-35534?
CVE-2021-35534 has been scored as a high severity vulnerability.
How to fix CVE-2021-35534?
To fix CVE-2021-35534: Refer to the cybersecurity advisories at https://www.hitachienergy.com/cybersecurity/alerts-and-notifications
Is CVE-2021-35534 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-35534 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-35534?
CVE-2021-35534 affects Hitachi Energy Relion 670 Series, Hitachi Energy Relion 670/650 Series, Hitachi Energy Relion 670/650/SAM600-IO, Hitachi Energy Relion 650, Hitachi Energy GMS600, Hitachi Energy PWC600.
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