CVE-2021-28169

Description

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.

Eclipse Foundation

Severity: MEDIUM
CVE ID: CVE-2021-28169
CVSS Score: 5.3
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Refrence: NVDMITRE

Proof Of Concept

Nuclei Templates for CVE-2021-28169

Refrence: Project Discovery GitHub