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CVE-2021-28169

Good to know:

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Date: June 8, 2021

For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.

Language: Java

Severity Score

Severity Score

Top Fix

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Upgrade Version

Upgrade to version org.eclipse.jetty:jetty-runner:9.4.41.v20210516, 10.0.3, 11.0.3, org.eclipse.jetty:jetty-http:9.4.41.v20210516, 10.0.3, 11.0.3,org.eclipse.jetty:jetty-servlets:9.4.41.v20210516, 10.0.3, 11.0.3, org.eclipse.jetty:jetty-server:9.4.41.v20210516, 10.0.3, 11.0.3

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privilegs Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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