# CVE-2023-44487 ### NIST Link ### Description The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. ### Impact to Keeper Keeper Security's application servers are protected by AWS Shield which defends against DDoS attacks, and Keeper is not vulnerable to this attack. More info is posted on [Amazon's blog here](https://aws.amazon.com/blogs/security/how-aws-protects-customers-from-ddos-events/). If you have any questions, please email us at . --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.keeper.io/release-notes/keeper-security/security-advisories/cve-2023-44487.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.