### [CVE-2021-33516](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33516) ![](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 An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc. ### POC #### Reference - https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536 #### Github No PoCs found on GitHub currently.