How severe is CVE-2021-35531?

CVE-2021-35531 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-35531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35531?

CVE-2021-35531 primarily affects Hitachienergy Txpert Hub Coretec 4 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35531?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-35531 published?

CVE-2021-35531 was published on 2022-06-07 and last updated on 2026-06-17.

CVE-2021-35531

CVE-2021-35531 is a medium-severity vulnerability in Hitachienergy Txpert Hub Coretec 4 Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 7.2
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Hitachienergy Txpert Hub Coretec 4 Firmware
Published: 2022-06-07
Last modified: 2026-06-17

Description

Improper Input Validation vulnerability in a particular configuration setting field of Hitachi Energy TXpert Hub CoreTec 4 product, allows an attacker with access to an authorized user with ADMIN or ENGINEER role rights to inject an OS command that is executed by the system. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0; 2.0.1; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.

Frequently asked questions

What is CVE-2021-35531?: Improper Input Validation vulnerability in a particular configuration setting field of Hitachi Energy TXpert Hub CoreTec 4 product, allows an attacker with access to an authorized user with ADMIN or ENGINEER role rights to inject an OS command that is executed by the system. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0; 2.0.1; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.
How severe is CVE-2021-35531?: CVE-2021-35531 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-35531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35531?: CVE-2021-35531 primarily affects Hitachienergy Txpert Hub Coretec 4 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35531 published?: CVE-2021-35531 was published on 2022-06-07 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=8DBD000080&LanguageCode=en&DocumentPartId=&Action=Launch&utm_campaign=&utm_content=2022.04_5763_Cybersecurity%20Advisory%20Update_May_03&utm_medium=email&utm_source=Eloqua

Affected products (8)

cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.0:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.0:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.1:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.2:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.3:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.0:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.1:*:*:*:*:*:*:*

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