# CVE-2002-1558

## Summary

- **CVE ID:** CVE-2002-1558
- **Severity:** UNKNOWN
- **CVSS Score:** 0.04
- **CWE:** N/A
- **Published:** Mar 18, 2003
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.iss.net/security_center/static/10510.php)
- [CNA](http://www.securityfocus.com/bid/6083)
- [CNA](http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.92%
- **EPSS Percentile:** 75.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._