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CVE-2019-6550

Quick assessment

Affected
Advantech WebAccess/SCADA
Exploitation
High exploitation probability; assess promptly
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。 Advantech WebAccess/SCADA 8.3.5及之前版本中存在基于栈的缓冲区溢出漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 9.8 Difficulty: Easy EPSS 6.09% · P93
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I. Basic Information for CVE-2019-6550

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Advantech WebAccess/SCADA 缓冲区错误漏洞
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。 Advantech WebAccess/SCADA 8.3.5及之前版本中存在基于栈的缓冲区溢出漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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 8.3.5 and prior. -

II. Public POCs for CVE-2019-6550

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III. Intelligence Information for CVE-2019-6550

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Vendor Advisories for CVE-2019-6550 (1)

Other References for CVE-2019-6550 (1)

Same Patch Batch · Advantech · 2019-04-05 · 3 CVEs total

CVE-2019-6554 Advantech WebAccess/SCADA 访问控制错误漏洞
CVE-2019-6552 Advantech WebAccess/SCADA 命令操作系统命令注入漏洞

IV. Related Vulnerabilities

Same product: WebAccess/SCADA
Same vendor: Advantech
Same weakness: CWE-121