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CVE-2021-28163

Quick assessment

Affected
The Eclipse Foundation Eclipse Jetty
Exploitation
High exploitation probability; assess promptly
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 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1 存在后置链接漏洞，该漏洞源于如果用户使用的是一个符号链接的webapps目录，webapps目录的内容会被部署为一个静态的webapp，无意中服务于webapps本身和该目录下的其他任何东西。

CVSS 2.7 · Low EPSS 4.18% · P91

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-28163

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Jetty 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1, if a user uses a webapps directory that is a symlink, the contents of the webapps directory is deployed as a static webapp, inadvertently serving the webapps themselves and anything else that might be in that directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 后置链接漏洞
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 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1 存在后置链接漏洞，该漏洞源于如果用户使用的是一个符号链接的webapps目录，webapps目录的内容会被部署为一个静态的webapp，无意中服务于webapps本身和该目录下的其他任何东西。
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 Jetty 9.4.32 ~ unspecified -

II. Public POCs for CVE-2021-28163

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III. Intelligence Information for CVE-2021-28163

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Vendor Advisories for CVE-2021-28163 (5)

Mailing List Discussions for CVE-2021-28163 (20)

Same Patch Batch · The Eclipse Foundation · 2021-04-01 · 3 CVEs total

CVE-2021-28165 7.5 HIGH Eclipse Jetty 资源管理错误漏洞
CVE-2021-28164 5.3 MEDIUM Eclipse Jetty 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-28163

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