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CVE-2021-38404— Delta Electronics DOPSoft 2 Heap-based Buffer Overflow

Quick assessment

Affected
Delta Electronics DOPSoft 2
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.

Delta Electronics DOPSoft是中国台湾台达电子（Delta Electronics）公司的一套人机界面（HMI）软件。 Delta Electronics DOPSoft 2存在安全漏洞，该漏洞源于受影响的应用程序在解析特定项目文件时缺乏对用户提供的数据的正确验证。攻击者可以利用此漏洞在当前进程的环境中执行代码。

CVSS 7.8 · High EPSS 1.04% · P61

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-38404

Vulnerability Information
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Vulnerability Title
Delta Electronics DOPSoft 2 Heap-based Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process.
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
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Delta Electronics DOPSoft 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Delta Electronics DOPSoft是中国台湾台达电子（Delta Electronics）公司的一套人机界面（HMI）软件。 Delta Electronics DOPSoft 2存在安全漏洞，该漏洞源于受影响的应用程序在解析特定项目文件时缺乏对用户提供的数据的正确验证。攻击者可以利用此漏洞在当前进程的环境中执行代码。
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
Delta Electronics DOPSoft 2 unspecified ~ 2.00.07 -

II. Public POCs for CVE-2021-38404

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III. Intelligence Information for CVE-2021-38404

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Vendor Advisories for CVE-2021-38404 (1)

Same Patch Batch · Delta Electronics · 2021-09-17 · 3 CVEs total

CVE-2021-38406 7.8 HIGH Delta Electronics DOPSoft 2 Out-of-Bounds Write
CVE-2021-38402 7.8 HIGH Delta Electronics DOPSoft 2 Stack-Based Buffer Overflow

IV. Related Vulnerabilities

Same product: DOPSoft 2
Same vendor: Delta Electronics
Same weakness: CWE-122

V. Comments for CVE-2021-38404

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