How severe is CVE-2017-16770?

CVE-2017-16770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-16770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16770?

CVE-2017-16770 affects Synology Surveillance Station. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-16770 published?

CVE-2017-16770 was published on 2018-02-27 and last updated on 2026-06-17.

CVE-2017-16770

CVE-2017-16770 is a medium-severity vulnerability in Synology Surveillance Station with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Synology Surveillance Station
Published: 2018-02-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-16770?: CVE-2017-16770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-16770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16770?: CVE-2017-16770 affects Synology Surveillance Station. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16770 published?: CVE-2017-16770 was published on 2018-02-27 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/support/security/Synology_SA_17_77

Affected products (1)

cpe:2.3:a:synology:surveillance_station:*:*:*:*:*:*:*:*

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