### [CVE-2019-17554](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17554)
![](https://img.shields.io/static/v1?label=Product&message=Olingo&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=XML%20External%20Entity%20resolution%20attack&color=brighgreen)

### Description

The XML content type entity deserializer in Apache Olingo versions 4.0.0 to 4.6.0 is not configured to deny the resolution of external entities. Request with content type "application/xml", which trigger the deserialization of entities, can be used to trigger XXE attacks.

### POC

#### Reference
- http://packetstormsecurity.com/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html
- http://packetstormsecurity.com/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html

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