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CVE-2021-35534

HIGHCVSS 7.2/10EPSS 1.67%

Last modified

CVE-2021-35534 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
1.67%

73.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HitachienergyGms600 Firmware1.2.0
HitachienergyGms600 Firmware1.3.0
HitachienergyGms600 Firmware1.3.1.0
HitachienergyRelion 670 FirmwareAll versions
HitachienergyRelion 670 Firmware2.0.0
HitachienergyRelion 670 Firmware2.1.0
HitachienergyRelion 670 Firmware2.2.0
HitachienergyRelion 670 Firmware2.2.1
HitachienergyRelion 670 Firmware2.2.2
HitachienergyRelion 670 Firmware2.2.3
HitachienergyRelion 670 Firmware2.2.4
HitachienergyRelion 670 Firmware2.2.5
HitachienergyRelion 650 Firmware1.0.0
HitachienergyRelion 650 Firmware1.1.0
HitachienergyRelion 650 Firmware1.2.0
HitachienergyRelion 650 Firmware1.3.0
HitachienergyRelion 650 Firmware2.1.0
HitachienergyRelion 650 Firmware2.2.0
HitachienergyRelion 650 Firmware2.2.1
HitachienergyRelion 650 Firmware2.2.4
HitachienergyRelion 650 Firmware2.2.5
HitachienergyRelion Sam600-Io Firmware2.2.1
HitachienergyRelion Sam600-Io Firmware2.2.5
HitachienergyPwc600 Firmware1.0.1.0
HitachienergyPwc600 Firmware1.0.1.1
HitachienergyPwc600 Firmware1.0.1.3
HitachienergyPwc600 Firmware1.0.1.4
HitachienergyPwc600 Firmware1.1.0.0
HitachienergyPwc600 Firmware1.1.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-35534?
CVE-2021-35534 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35534?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35534?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST