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CVE-2020-8974— ZGR TPS200 NG Missing Reference to Active Allocated Resource

Quick assessment

Affected
ZGR ZGR TPS200 NG
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.

Zigor Corporación ZGR TPS200 NG是西班牙Zigor Corporación公司的一个用于电池充电器的整流器。能够管理用于工业应用的密封铅酸或锂电池、用于变电站的远程控制和远程控制手机以及需要安全远程供电的应用。 Zigor Corporación ZGR TPS200 NG 2.00 固件版本和 1.01 硬件版本存在安全漏洞，该漏洞源于固件上传过程不做任何类型的限制，攻击者利用该漏洞可以修改它并通过恶意修改通过网络重新上传它，从而使设备无法使用。

CVSS 10.0 · Critical EPSS 0.76% · P54

Possible ATT&CK Techniques 1 AI

T1500
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I. Basic Information for CVE-2020-8974

Vulnerability Information
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Vulnerability Title
ZGR TPS200 NG Missing Reference to Active Allocated Resource
Source: CVE Program / CVE List V5
Vulnerability Description
In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Zigor Corporación ZGR TPS200 NG 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zigor Corporación ZGR TPS200 NG是西班牙Zigor Corporación公司的一个用于电池充电器的整流器。能够管理用于工业应用的密封铅酸或锂电池、用于变电站的远程控制和远程控制手机以及需要安全远程供电的应用。 Zigor Corporación ZGR TPS200 NG 2.00 固件版本和 1.01 硬件版本存在安全漏洞，该漏洞源于固件上传过程不做任何类型的限制，攻击者利用该漏洞可以修改它并通过恶意修改通过网络重新上传它，从而使设备无法使用。
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
ZGR ZGR TPS200 NG 2.00 firmware version 2.00 -

II. Public POCs for CVE-2020-8974

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III. Intelligence Information for CVE-2020-8974

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Other References for CVE-2020-8974 (1)

Same Patch Batch · ZGR · 2022-10-17 · 4 CVEs total

CVE-2020-8976 9.6 CRITICAL ZGR TPS200 Cross-Site Request Forgery (CSRF)
CVE-2020-8973 9.3 CRITICAL ZGR TPS200 NG Improper access control
CVE-2020-8975 7.5 HIGH ZGR TPS200 NG Information Exposure

IV. Related Vulnerabilities

Same product: ZGR TPS200 NG
Same vendor: ZGR
Same weakness: CWE-434

V. Comments for CVE-2020-8974

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