What is CVE-2017-16770?

CVE-2017-16770 is a medium-severity vulnerability in Synology Surveillance Station, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 6.5/10. Published 2018-02-27.

How severe is CVE-2017-16770?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Synology Surveillance Station

CVE-2017-16770

File and directory information exposure vulnerability in SYNO.SurveillanceStation.PersonalSettings.Photo in Synology Surveillance Station before 8.1.2-5469 allows remote authenticated users to obtain other user's sensitive files via the filename parameter.

Published 2018-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (78.6th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Synology Surveillance Station — versions before 8.1.2-5469
Synology Surveillance Station

Weakness classification (CWE)

References

www.synology.com/en-global/support/security/Synology_SA_17_77 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-16770?: CVE-2017-16770 is a medium-severity vulnerability in Synology Surveillance Station, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 6.5/10. Published 2018-02-27.
How severe is CVE-2017-16770?: Medium severity. CVSS v3 base score is 6.5 out of 10.