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CVE-2021-41042

Quick assessment

Affected
The Eclipse Foundation Eclipse Lyo
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.

Eclipse Lyo是Eclipse基金会的一个集成开发环境。 Eclipse Lyo 1.0.0 到 4.1.0版本中存在安全漏洞，该漏洞源于使用 RDF/XML 时不限制 DTD 加载的默认值初始化 TransformerFactory，攻击者利用该漏洞可以检索外部 DTD。

AI Predicted 5.3 Difficulty: Easy EPSS 1.00% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-41042

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Lyo versions 1.0.0 to 4.1.0, a TransformerFactory is initialized with the defaults that do not restrict DTD loading when working with RDF/XML. This allows an attacker to cause an external DTD to be retrieved.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Eclipse Lyo 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Lyo是Eclipse基金会的一个集成开发环境。 Eclipse Lyo 1.0.0 到 4.1.0版本中存在安全漏洞，该漏洞源于使用 RDF/XML 时不限制 DTD 加载的默认值初始化 TransformerFactory，攻击者利用该漏洞可以检索外部 DTD。
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
The Eclipse Foundation Eclipse Lyo 1.0.0 ~ unspecified -

II. Public POCs for CVE-2021-41042

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III. Intelligence Information for CVE-2021-41042

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Other References for CVE-2021-41042 (1)

Same Patch Batch · The Eclipse Foundation · 2022-07-07 · 4 CVEs total

CVE-2022-2048 7.5 HIGH Eclipse Jetty 安全漏洞
CVE-2022-2191 7.5 HIGH Eclipse Jetty 安全漏洞
CVE-2022-2047 2.7 LOW Eclipse Jetty 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Eclipse Lyo
Same vendor: The Eclipse Foundation
Same weakness: CWE-611

V. Comments for CVE-2021-41042

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