Information Exposure Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [8.5.0, 8.5.60) [9.0.0, 9.0.40) [10.0.0-M1, 10.0.0-M10)

  • Exploit Maturity

    Proof of concept

  • Attack Complexity


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  • snyk-id


  • published

    4 Dec 2020

  • disclosed

    4 Dec 2020

  • credit


How to fix?

Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 8.5.60, 9.0.40, 10.0.0-M10 or higher.


org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.

Affected versions of this package are vulnerable to Information Exposure. An HTTP request header value could be reused from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.