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CVE-2017-9554

77
FAUCET Score

CVE-2017-9554 is an information exposure vulnerability in Synology DiskStation Manager (DSM) versions prior to 6.1.3-15152, allowing remote attackers to enumerate valid usernames through the forget_passwd.cgi script. This vulnerability has a CVSS score of 5.3 (Medium), indicating a low complexity attack that can be executed remotely without authentication, leading to a partial loss of confidentiality. While not listed in CISA's KEV catalog, exploit code is publicly available via Metasploit and ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.1.1-15101-4CPE matchmatch criteria
cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
75.62%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Synology Forget Password User Enumeration Scanner · Jan 5, 2011
ExploitDB: EDB-43455 · Jan 8, 2018
This CVE's current EPSS score of 0.7562 is in the 100th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/43455
synology.com / en-global/support/security/Synology_SA_17_29_DSM
MitigationVendor Advisory