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CVE-2021-25910— ZIV AUTOMATION 4CCT vulnerable to improper authentication

Quick assessment

Affected
ZIV AUTOMATION 4CCT-EA6-334126BF
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.

ZIV 4CCT是西班牙ZIV公司的一个用于二级变电站的智能计量数据集中器。该设备具有计量数据集中器单元功能、远程智能电表管理功能、网络监视功能的高级低压监控器和电力线通信（PLC）控制器。 ZIV 4CCT-EA6-334126BF 存在授权问题漏洞，该漏洞源于cookie参数存在不合理的认证漏洞，本地攻击者可利用该漏洞以认证用户的身份对受影响设备的多个参数进行修改。

CVSS 8.0 · High EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25910

Vulnerability Information
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Vulnerability Title
ZIV AUTOMATION 4CCT vulnerable to improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authentication vulnerability in the cookie parameter of ZIV AUTOMATION 4CCT-EA6-334126BF allows a local attacker to perform modifications in several parameters of the affected device as an authenticated user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ZIV 4CCT 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZIV 4CCT是西班牙ZIV公司的一个用于二级变电站的智能计量数据集中器。该设备具有计量数据集中器单元功能、远程智能电表管理功能、网络监视功能的高级低压监控器和电力线通信（PLC）控制器。 ZIV 4CCT-EA6-334126BF 存在授权问题漏洞，该漏洞源于cookie参数存在不合理的认证漏洞，本地攻击者可利用该漏洞以认证用户的身份对受影响设备的多个参数进行修改。
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
ZIV AUTOMATION 4CCT-EA6-334126BF 3.23.77.8.33251 -

II. Public POCs for CVE-2021-25910

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III. Intelligence Information for CVE-2021-25910

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Other References for CVE-2021-25910 (1)

IV. Related Vulnerabilities

Same product: 4CCT-EA6-334126BF
Same vendor: ZIV AUTOMATION
Same weakness: CWE-287

V. Comments for CVE-2021-25910

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