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CVE-2023-50704— URL Redirection to Untrusted Site ('Open Redirect') in EFACEC UC 500E

Quick assessment

Affected
EFACEC UC 500E
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.

EFACEC UC 500是葡萄牙EFACEC公司的一种解决方案，为公用事业和工业应用提供一体化的灵活通信网关、自动化平台和 HMI 解决方案。 EFACEC UC 500 存在输入验证错误漏洞，该漏洞源于攻击者可以在应用程序中构建 URL，导致重定向到任意外部域，并可利用该 URL 来促进针对应用程序用户的网络钓鱼攻击。

CVSS 4.3 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1566.001 · Spearphishing Attachment
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I. Basic Information for CVE-2023-50704

Vulnerability Information
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Vulnerability Title
URL Redirection to Untrusted Site ('Open Redirect') in EFACEC UC 500E
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker could construct a URL within the application that causes a redirection to an arbitrary external domain and could be leveraged to facilitate phishing attacks against application users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
EFACEC UC 500 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EFACEC UC 500是葡萄牙EFACEC公司的一种解决方案，为公用事业和工业应用提供一体化的灵活通信网关、自动化平台和 HMI 解决方案。 EFACEC UC 500 存在输入验证错误漏洞，该漏洞源于攻击者可以在应用程序中构建 URL，导致重定向到任意外部域，并可利用该 URL 来促进针对应用程序用户的网络钓鱼攻击。
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
EFACEC UC 500E version 10.1.0 -

II. Public POCs for CVE-2023-50704

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III. Intelligence Information for CVE-2023-50704

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Vendor Advisories for CVE-2023-50704 (1)

Same Patch Batch · EFACEC · 2023-12-19 · 6 CVEs total

CVE-2023-50707 9.6 CRITICAL Uncontrolled Resource Consumption in EFACEC BCU 500
CVE-2023-6689 8.2 HIGH Cross-Site Request Forgery in EFACEC BCU 500
CVE-2023-50703 6.3 MEDIUM Cleartext Transmission of Sensitive Information in EFACEC UC 500E
CVE-2023-50705 5.3 MEDIUM Exposure of Sensitive Information to an Unauthorized Actor in EFACEC UC 500E
CVE-2023-50706 4.1 MEDIUM Improper Access Control in EFACEC UC 500E

IV. Related Vulnerabilities

Same product: UC 500E
Same vendor: EFACEC
Same weakness: CWE-601

V. Comments for CVE-2023-50704

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