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CVE-2022-1331— Delta Electronics DMARS Improper Restriction of XML External Entity Reference

Quick assessment

Affected
Delta Electronics DMARS
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 DMARS是中国台湾台达电子（Delta Electronics）公司的一个工业自动化/嵌入式运动控制器。 Delta Electronics DMARS存在代码问题漏洞，该漏洞源于受影响的产品在处理特定项目文件时未正确限制 XML 外部实体的引用，这可能导致未经授权的信息泄露。

CVSS 5.5 · Medium EPSS 0.81% · P56

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2022-1331

Vulnerability Information
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Vulnerability Title
Delta Electronics DMARS Improper Restriction of XML External Entity Reference
Source: CVE Program / CVE List V5
Vulnerability Description
In four instances DMARS (All versions prior to v2.1.10.24) does not properly restrict references of XML external entities while processing specific project files, which may allow unauthorized information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Delta Electronics DMARS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Delta Electronics DMARS是中国台湾台达电子（Delta Electronics）公司的一个工业自动化/嵌入式运动控制器。 Delta Electronics DMARS存在代码问题漏洞，该漏洞源于受影响的产品在处理特定项目文件时未正确限制 XML 外部实体的引用，这可能导致未经授权的信息泄露。
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 DMARS All versions ~ v2.1.10.24 -

II. Public POCs for CVE-2022-1331

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III. Intelligence Information for CVE-2022-1331

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IV. Related Vulnerabilities

Same vendor: Delta Electronics
Same weakness: CWE-611

V. Comments for CVE-2022-1331

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