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CVE-2021-42703— AzeoTech DAQFactory

Quick assessment

Affected
Advantech HMI Designer
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.

Advantech WebAccess HMI Designer是中国台湾研华（Advantech）公司的一款人机界面集成开发工具。该产品具备数据传输、菜单编辑和文本编辑等功能。 Advantech WebAccess HMI Designer 2.1.11.0之前版本存在跨站脚本漏洞，该漏洞源于软件对于用户提交的参数缺少有效的过滤与转义。该漏洞允许攻击者发送恶意Javascript代码，从而劫持用户的cookie会话令牌，将用户重定向到恶意网页，并执行意外的浏览器操作。

CVSS 5.4 · Medium EPSS 0.60% · P46
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I. Basic Information for CVE-2021-42703

Vulnerability Information
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Vulnerability Title
AzeoTech DAQFactory
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability could allow an attacker to send malicious Javascript code resulting in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage, and performing unintended browser action.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Advantech WebAccess HMI Designer 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Advantech WebAccess HMI Designer是中国台湾研华（Advantech）公司的一款人机界面集成开发工具。该产品具备数据传输、菜单编辑和文本编辑等功能。 Advantech WebAccess HMI Designer 2.1.11.0之前版本存在跨站脚本漏洞，该漏洞源于软件对于用户提交的参数缺少有效的过滤与转义。该漏洞允许攻击者发送恶意Javascript代码，从而劫持用户的cookie会话令牌，将用户重定向到恶意网页，并执行意外的浏览器操作。
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
Advantech HMI Designer All versions ~ 2.1.11.0 -

II. Public POCs for CVE-2021-42703

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III. Intelligence Information for CVE-2021-42703

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Vendor Advisories for CVE-2021-42703 (1)

IV. Related Vulnerabilities

Same product: HMI Designer
Same vendor: Advantech
Same weakness: CWE-79

V. Comments for CVE-2021-42703

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