### [CVE-2003-0512](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-0512)
![](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

Cisco IOS 12.2 and earlier generates a "% Login invalid" message instead of prompting for a password when an invalid username is provided, which allows remote attackers to identify valid usernames on the system and conduct brute force password guessing, as reported for the Aironet Bridge.

### POC

#### Reference
- http://www.cisco.com/warp/public/707/cisco-sn-20030724-ios-enum.shtml

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