### [CVE-2002-1558](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-1558)
![](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 ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.

### POC

#### Reference
- http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml

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