An improper access control vulnerability in synodsmnotify in Synology DiskStation Manager (DSM) before 6.1.4-15217 and before 6.0.3-8754-6…

published 2017-12-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7945

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

An improper access control vulnerability in synodsmnotify in Synology DiskStation Manager (DSM) before 6.1.4-15217 and before 6.0.3-8754-6 allows local users to inject arbitrary web script or HTML via the -fn option.

Patch / fix

fixed in 1

synology diskstation_manager 6.0.3-8754-6, 6.1.4-15217

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

Synology DiskStation Manager (DSM)

Classification

Weakness

CWE-284 Improper Access Control
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

synology.com /en-global/support/security/Synology_SA_17_74
vendor-advisory

Sources

CVE List CVE-2017-16766
NVD CVE-2017-16766

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary