CVE-2017-9554
An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM)...
CVE-2017-9554 is a medium vulnerability (CVSS 5.3) in Synology Diskstation Manager, published July 24, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 76.7%, the 99th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-9554- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-9554- Updated
- 2026-11-02
EUVDEUVD-2017-18485 No score
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.
- Record
EUVD-2017-18485- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-999r-3mg2-g4rj
An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM)...
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.
- Record
GHSA-999r-3mg2-g4rj- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Synology DiskStation Manager (DSM) < 6.1.3-15152 - 'forget_passwd.cgi' User Enumeration | 2018-01-08 |
| Metasploit | Synology Forget Password User Enumeration Scanner | 2011-01-05 |
| PoC in GitHub | Ez0-yf/CVE-2017-9554-Exploit-Tool | 2021-06-08 |
| PoC in GitHub | rfcl/Synology-DiskStation-User-Enumeration-CVE-2017-9554- | 2018-08-28 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, PoC in GitHub |