CVE-2021-41042
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I. Basic Information for CVE-2021-41042
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://gitlab.eclipse.org/eclipsefdn/emo-team/emo/-/issues/287x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-41042
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 weakness: CWE-611
- CVE-2026-41936
Vvveb < 1.0.8.2 XML External Entity Injection via Import - CVE-2026-40682
Apache OpenNLP: XXE via Dictionary Parsing in DictionaryEntr - CVE-2026-6501
ILM Informatique jOpenDocument 代码问题漏洞 - CVE-2025-14543
Improper Restriction of XML External Entity Reference vulner - CVE-2024-13971
Arbitrary File Read and Server Side Request Forgery via XML
V. Comments for CVE-2021-41042
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