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CVE-2021-43555— mySCADA myDESIGNER

Quick assessment

Affected
mySCADA myDESIGNER
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.

MyScada MyDesigner是捷克MyScada公司的一个用于创建可视化的快速开发平台。 mySCADA myDESIGNER 存在安全漏洞，该漏洞源于mySCADA myDESIGNER版本8.20.0和更早版本无法正确验证导入的项目文件的内容。攻击者可利用该漏洞将文件放置在文件系统的任意位置或覆盖现有文件，从而导致远程代码执行。

CVSS 7.3 · High EPSS 37.99% · P98
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I. Basic Information for CVE-2021-43555

Vulnerability Information
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Vulnerability Title
mySCADA myDESIGNER
Source: CVE Program / CVE List V5
Vulnerability Description
mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
mySCADA myDESIGNER 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MyScada MyDesigner是捷克MyScada公司的一个用于创建可视化的快速开发平台。 mySCADA myDESIGNER 存在安全漏洞，该漏洞源于mySCADA myDESIGNER版本8.20.0和更早版本无法正确验证导入的项目文件的内容。攻击者可利用该漏洞将文件放置在文件系统的任意位置或覆盖现有文件，从而导致远程代码执行。
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
mySCADA myDESIGNER All ~ 8.20.0 -

II. Public POCs for CVE-2021-43555

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III. Intelligence Information for CVE-2021-43555

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Vendor Advisories for CVE-2021-43555 (1)

IV. Related Vulnerabilities

Same vendor: mySCADA
Same weakness: CWE-23

V. Comments for CVE-2021-43555

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