### [CVE-2017-5644](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5644) ![](https://img.shields.io/static/v1?label=Product&message=Apache%20POI&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=XXE&color=brighgreen) ### Description Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack. ### POC #### Reference - https://www.oracle.com/security-alerts/cpuoct2020.html #### Github No PoCs found on GitHub currently.