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CVE-2021-47960

Published: Apr 10, 2026Updated: May 29, 2026 Sources: CVE List NVD BDUCWE-552
6.5MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 91.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access files within the installation directory via a local HTTP server bound to the loopback interface. By leveraging user interaction with a crafted web page, attackers may retrieve sensitive files such as configuration files, certificates, and logs, leading to information disclosure.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-552

Affected Products

Synology
commercial·USaka router manager, diskstation manager (dsm)
ssl vpn clientOn-prem
Networking Infrastructure
Synology SSL VPN ClientOn-prem
Networking Infrastructure
Synology Inc.
commercial·USaka diskstation manager (dsm), synology router manager (srm), surveillance station
Synology SSL VPN ClientOn-prem
Hardware Firmware / storage-nas

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_05
synology.com

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