CVE-2017-15893

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-08 · updated 2026-06-17
Weakness: CWE-22

Description

Directory traversal vulnerability in the SYNO.FileStation.Extract in Synology File Station before 1.1.1-0099 allows remote authenticated users to write arbitrary files via the dest_folder_path parameter.

Affected products

Synology File Station: before 1.1.1-0099 — fixed in 1.1.1-0099

How to fix

Upgrade to a fixed version: Synology File Station 1.1.1-0099. Check the vendor advisory for mitigations.

References

https://www.synology.com/en-global/support/security/Synology_SA_17_69_File_Station
https://www.synology.com/en-global/support/security/Synology_SA_17_69_File_Station

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