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CVE-2021-34436

Quick assessment

Affected
The Eclipse Foundation Eclipse Theia
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 Theia是Eclipse基金会的一套基于Visual Studio Code的用于桌面和Web应用程序的开源集成开发环境框架。 Eclipse Theia 0.1.1至0.2.0版本存在安全漏洞，攻击者可以利用默认构建通过 theia-xml-extension 获取远程代码执行。

AI Predicted 9.8 Difficulty: Trivial EPSS 2.22% · P82
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I. Basic Information for CVE-2021-34436

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Theia 0.1.1 to 0.2.0, it is possible to exploit the default build to obtain remote code execution (and XXE) via the theia-xml-extension. This extension uses lsp4xml (recently renamed to LemMinX) in order to provide language support for XML. This is installed by default.
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 Theia 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Theia是Eclipse基金会的一套基于Visual Studio Code的用于桌面和Web应用程序的开源集成开发环境框架。 Eclipse Theia 0.1.1至0.2.0版本存在安全漏洞，攻击者可以利用默认构建通过 theia-xml-extension 获取远程代码执行。
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 Theia 0.1.1 -

II. Public POCs for CVE-2021-34436

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III. Intelligence Information for CVE-2021-34436

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Other References for CVE-2021-34436 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-34436

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