### [CVE-2017-9787](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9787) ![](https://img.shields.io/static/v1?label=Product&message=Apache%20Struts&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=2.3.x%20prior%20to%202.3.33%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Version&message=2.5%20to%202.5.10.1%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=DoS%20Attack&color=brightgreen) ### Description When using a Spring AOP functionality to secure Struts actions it is possible to perform a DoS attack. Solution is to upgrade to Apache Struts version 2.5.12 or 2.3.33. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cvemon - https://github.com/IkerSaint/VULNAPP-vulnerable-app - https://github.com/khodges42/Etrata - https://github.com/pctF/vulnerable-app