### [CVE-2016-4465](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4465) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field. ### POC #### Reference - http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html #### Github No PoCs found on GitHub currently.