CVE-2021-28164: Information Exposure

April 1, 2021 (updated November 7, 2023)

In Eclipse Jetty the default compliance mode allows requests with URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For example a request to /context/%2e/WEB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.

References

nvd.nist.gov/vuln/detail/CVE-2021-28164

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