### [CVE-2021-3277](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3277) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen) ### Description Nagios XI 5.7.5 and earlier allows authenticated admins to upload arbitrary files due to improper validation of the rename functionality in custom-includes component, which leads to remote code execution by uploading php files. ### POC #### Reference No PoCs from references. #### Github - https://github.com/n0-traces/cve_monitor