### [CVE-2021-30180](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30180) ![](https://img.shields.io/static/v1?label=Product&message=Apache%20Dubbo&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=Apache%20Dubbo%202.7.x%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Remote%20Code%20Execution&color=brightgreen) ### Description Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers may enable calling arbitrary constructors. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cve-scores - https://github.com/ARPSyndicate/cvemon - https://github.com/Armandhe-China/ApacheDubboSerialVuln - https://github.com/Whoopsunix/PPPVULNS - https://github.com/dayutech/ApacheDubboSerialVuln - https://github.com/shoucheng3/apache__dubbo_CVE-2021-30180_2-7-9