cve/2021/CVE-2021-28684.md

### [CVE-2021-28684](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28684)
![](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 XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).

### POC

#### Reference
- https://peterka.tech/blog/posts/cve-2021-28684/
- https://peterka.tech/blog/posts/cve-2021-28684/

#### Github
No PoCs found on GitHub currently.