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

Quick assessment

Affected
Hitachi Energy TXpert Hub CoreTec 4 version
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hitachi Energy TXpert Hub CoreTec 4是日本日立（Hitachi）公司的一种数字变压器监控和诊断设备。 Hitachi Energy TXpert Hub CoreTec 4 存在安全漏洞，该漏洞源于文件上传验证部分存在问题。攻击者可以利用该漏洞通过恶意代理设法访问系统并获得具有足够权限的帐户以将恶意固件上传到产品。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-35532

Vulnerability Information
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Vulnerability Title
Firmware upload verification bypass in TXpert Hub CoreTec 4
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
Hitachi Energy TXpert Hub CoreTec 4 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hitachi Energy TXpert Hub CoreTec 4是日本日立（Hitachi）公司的一种数字变压器监控和诊断设备。 Hitachi Energy TXpert Hub CoreTec 4 存在安全漏洞，该漏洞源于文件上传验证部分存在问题。攻击者可以利用该漏洞通过恶意代理设法访问系统并获得具有足够权限的帐户以将恶意固件上传到产品。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0 -

II. Public POCs for CVE-2021-35532

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III. Intelligence Information for CVE-2021-35532

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Other References for CVE-2021-35532 (1)

Same Patch Batch · Hitachi Energy · 2022-06-07 · 3 CVEs total

CVE-2021-35530 6.0 MEDIUM User authentication bypass in TXpert Hub CoreTec 4
CVE-2021-35531 Remote Code Execution in TXpert Hub CoreTec 4

IV. Related Vulnerabilities

Same product: TXpert Hub CoreTec 4 version
Same vendor: Hitachi Energy
Same weakness: CWE-494

V. Comments for CVE-2021-35532

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