9

CVE-2021-35534: hitachi energy gms600

CVSS: 9.0v2.0HighModified
Published 18-11-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-35534 is a high (CVSS 9.0) vulnerability in hitachi energy gms600. EPSS estimates a 1.79% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
1.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-11-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.79%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hitachi energy6 products
  • gms6001.3.0 | 1.3.1.0 1.3.0.1 | 1.2.0
  • pwc600≥ 1.0.1, ≤ 1.0.1.4 | ≥ 1.1.0, ≤ 1.1.0.1
  • relion® 6501.1 all revisions | 1.2 all revisions | 1.0 all revisions | ≥ 1.3, < 1.3.0.8
  • relion 670 series2.0 all revisions | 2.2.2 all revisions | ≥ 2.2.3, < 2.2.3.5
  • relion 670/650 series2.2.0 all revisions | 2.2.4 all revisions | 2.1 all revisions
Hitachienergy5 products

2 vendors · 11 products

References

3 links