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Exposure of Sensitive Information to an Unauthorized Actor

CVE-2021-28164

Medium
5.3/10

Summary

In Eclipse Jetty versions 9.4.37.v20210219 and 9.4.38.v20210224, 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.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • LOW
  • NONE

CWE-200 - Information Exposure

An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.

References

Advisory Timeline

  • Published