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CVE-2021-44462— Horner Automation Cscape EnvisionRV Improper Input Validation

Quick assessment

Affected
Horner Automation Cscape EnvisionRV
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.

Horner Automation Cscape是美国Horner Automation公司的一套用于工业控制系统开发的编程软件。 Horner Automation Cscape EnvisionRV存在输入验证错误漏洞，该漏洞可通过解析恶意制作的项目文件加以利用。这些问题是由于对用户提供的数据缺乏适当的验证，这可能导致读取和写入超过分配的数据结构的末尾。利用这个漏洞需要用户交互，因为攻击者可利用该漏洞必须欺骗有效用户来打开一个恶意的HMI项目文件。

CVSS 7.8 · High EPSS 0.71% · P52
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I. Basic Information for CVE-2021-44462

Vulnerability Information
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Vulnerability Title
Horner Automation Cscape EnvisionRV Improper Input Validation
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability can be exploited by parsing maliciously crafted project files with Horner Automation Cscape EnvisionRV v4.50.3.1 and prior. The issues result from the lack of proper validation of user-supplied data, which can result in reads and writes past the end of allocated data structures. User interaction is required to exploit this vulnerability as an attacker must trick a valid user to open a malicious HMI project file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Horner Automation Cscape 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Horner Automation Cscape是美国Horner Automation公司的一套用于工业控制系统开发的编程软件。 Horner Automation Cscape EnvisionRV存在输入验证错误漏洞，该漏洞可通过解析恶意制作的项目文件加以利用。这些问题是由于对用户提供的数据缺乏适当的验证，这可能导致读取和写入超过分配的数据结构的末尾。利用这个漏洞需要用户交互，因为攻击者可利用该漏洞必须欺骗有效用户来打开一个恶意的HMI项目文件。
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
Horner Automation Cscape EnvisionRV unspecified ~ v4.50.3.1 -

II. Public POCs for CVE-2021-44462

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III. Intelligence Information for CVE-2021-44462

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Vendor Advisories for CVE-2021-44462 (1)

IV. Related Vulnerabilities

Same vendor: Horner Automation
Same weakness: CWE-20

V. Comments for CVE-2021-44462

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