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CVE-2021-34429

Quick assessment

Affected
The Eclipse Foundation Eclipse Jetty
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Eclipse Jetty是Eclipse基金会的一个开源的、基于Java的Web服务器和Java Servlet容器。 Eclipse Jetty 9.4.37-9.4.42、10.0.1-10.0.5 和 11.0.1-11.0.5版本存在安全漏洞，攻击者可以使用一些编码字符制作 URI 来访问 WEB-INF 目录的内容或绕过一些安全限制。

CVSS 5.3 · Medium EPSS 99.30% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34429

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Jetty 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Jetty是Eclipse基金会的一个开源的、基于Java的Web服务器和Java Servlet容器。 Eclipse Jetty 9.4.37-9.4.42、10.0.1-10.0.5 和 11.0.1-11.0.5版本存在安全漏洞，攻击者可以使用一些编码字符制作 URI 来访问 WEB-INF 目录的内容或绕过一些安全限制。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
The Eclipse Foundation Eclipse Jetty 9.4.37 ~ unspecified -

II. Public POCs for CVE-2021-34429

# POC Description Source Link Shenlong Link
1 POC for CVE-2021-34429 - Eclipse Jetty 11.0.5 Sensitive File Disclosure https://github.com/ColdFusionX/CVE-2021-34429 POC Details
2 Eclipse Jetty 9.4.37-9.4.42, 10.0.1-10.0.5 and 11.0.1-11.0.5 are susceptible to improper authorization. URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. An attacker can potentially obtain sensitive information, modify data, and/or execute unauthorized administrative operations. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-34429.yaml POC Details
3 None https://github.com/Threekiii/Awesome-POC/blob/master/%E4%B8%AD%E9%97%B4%E4%BB%B6%E6%BC%8F%E6%B4%9E/Jetty%20WEB-INF%20%E6%95%8F%E6%84%9F%E4%BF%A1%E6%81%AF%E6%B3%84%E9%9C%B2%E6%BC%8F%E6%B4%9E%20CVE-2021-34429.md POC Details
4 https://github.com/vulhub/vulhub/blob/master/jetty/CVE-2021-34429/README.md POC Details
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III. Intelligence Information for CVE-2021-34429

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Vendor Advisories for CVE-2021-34429 (5)

Mailing List Discussions for CVE-2021-34429 (31)

IV. Related Vulnerabilities

Same product: Eclipse Jetty
Same vendor: The Eclipse Foundation
Same weakness: CWE-200

V. Comments for CVE-2021-34429

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