### [CVE-2007-2243](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2243)
![](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

OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.

### POC

#### Reference
- http://securityreason.com/securityalert/2631

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