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CVE-2021-27436

Quick assessment

Affected
n/a Advantech WebAccess/SCADA
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/SCADA是中国台湾研华（Advantech）公司的一套基于浏览器架构的SCADA软件。该软件支持动态图形显示和实时数据控制，并提供远程控制和管理自动化设备的功能。 WebAccess/SCADA 存在跨站脚本漏洞，该漏洞源于将用户重定向到恶意网页并执行意外的浏览器动作。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.69% · P51
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I. Basic Information for CVE-2021-27436

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
WebAccess/SCADA Versions 9.0 and prior is vulnerable to cross-site scripting, which may allow an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser actions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
研华 Advantech WebAccess/SCADA 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Advantech WebAccess/SCADA是中国台湾研华（Advantech）公司的一套基于浏览器架构的SCADA软件。该软件支持动态图形显示和实时数据控制，并提供远程控制和管理自动化设备的功能。 WebAccess/SCADA 存在跨站脚本漏洞，该漏洞源于将用户重定向到恶意网页并执行意外的浏览器动作。
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 WebAccess/SCADA Versions 9.0 and prior -

II. Public POCs for CVE-2021-27436

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III. Intelligence Information for CVE-2021-27436

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Vendor Advisories for CVE-2021-27436 (1)

Same Patch Batch · n/a · 2021-03-18 · 45 CVEs total

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CVE-2021-26216 SeedDMS 跨站请求伪造漏洞
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CVE-2021-28145 Portlandlabs Concrete5 跨站脚本漏洞

Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Advantech WebAccess/SCADA
Same vendor: n/a
Same weakness: CWE-79

V. Comments for CVE-2021-27436

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