# CVE-2003-0512

## Summary

- **CVE ID:** CVE-2003-0512
- **Severity:** UNKNOWN
- **CVSS Score:** 0.07
- **CWE:** N/A
- **Published:** Jul 29, 2003
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.vigilante.com/inetsecurity/advisories/VIGILANTE-2003002.htm)
- [CNA](http://www.cisco.com/warp/public/707/cisco-sn-20030724-ios-enum.shtml)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5824)
- [CNA](http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0056.html)
- [CNA](http://www.kb.cert.org/vuls/id/886796)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.67%
- **EPSS Percentile:** 81.9

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