CVE-2021-35532: Firmware upload verification bypass in TXpert Hub CoreTec 4

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-07 · updated 2026-06-17
Weakness: CWE-494

Description

A vulnerability exists in the file upload validation part of Hitachi Energy TXpert Hub CoreTec 4 product. The vulnerability allows an attacker or malicious agent who manages to gain access to the system and obtain an account with sufficient privilege to upload a malicious firmware to the product. 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.

Affected products

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)

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
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

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