### [CVE-2017-9978](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9978)
![](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

On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, a flaw was found with the error message sent as a response for users that don't exist on the system. An attacker could leverage this information to fine-tune and enumerate valid accounts on the system by searching for common usernames.

### POC

#### Reference
- http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.html
- http://seclists.org/fulldisclosure/2017/Aug/23
- https://www.exploit-db.com/exploits/42517/

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