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01 Record

CVE-2021-35534

Insufficient Security Control Vulnerability

HighPUBLISHEDCNA: Hitachi Energy
CNA base score7.2 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

02 Description

Insufficient Security Control Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.79% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.1% of scored records. A rank, not a probability.
NVD base score
7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-18 16:35Z4 YR AGO
Last updated
2024-09-16 18:45Z2 YR AGO
Reserved
2021-06-28
Assigning CNA
Hitachi Energy
Record state
PUBLISHED
Severity
High (CVSS 7.2)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-274Improper Handling of Insufficient PrivilegesBase
  • CWE-269Improper Privilege ManagementClass
Data version
5.1
Document digest
55c7aa13b0b273367a34419c071ffd337ab2c7e9ff864fe14f43d86e793a6c42

05 Affected products

VendorProductVersionsPlatforms
Hitachi EnergyRelion 670 Series2.0 all revisions, 2.2.2 all revisions, 2.2.3 to < 2.2.3.5—
Hitachi EnergyRelion 670/650 Series2.2.0 all revisions, 2.2.4 all revisions, 2.1 all revisions—
Hitachi EnergyRelion 670/650/SAM600-IO2.2.1 all revisions, 2.2.5 to < 2.2.5.2—
Hitachi EnergyRelion 6501.1 all revisions, 1.2 all revisions, 1.0 all revisions, 1.3 to < 1.3.0.8—
Hitachi EnergyGMS6001.3.0, 1.3.1.0 1.3.0.1, 1.2.0—
Hitachi EnergyPWC6001.0.1 to 1.0.1.4, 1.1.0 to 1.1.0.1—

06 References

07 Remediation

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