How severe is CVE-2017-16771?

CVE-2017-16771 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-16771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16771?

CVE-2017-16771 affects Synology Photo Station. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16771?

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

When was CVE-2017-16771 published?

CVE-2017-16771 was published on 2018-03-22 and last updated on 2026-06-17.

CVE-2017-16771

CVE-2017-16771 is a medium-severity vulnerability in Synology Photo Station with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Synology Photo Station
Published: 2018-03-22
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Log Viewer in Synology Photo Station before 6.8.3-3463 and before 6.3-2971 allows remote attackers to inject arbitrary web script or HTML via the username parameter.

Frequently asked questions

What is CVE-2017-16771?: Cross-site scripting (XSS) vulnerability in Log Viewer in Synology Photo Station before 6.8.3-3463 and before 6.3-2971 allows remote attackers to inject arbitrary web script or HTML via the username parameter.
How severe is CVE-2017-16771?: CVE-2017-16771 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-16771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16771?: CVE-2017-16771 affects Synology Photo Station. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16771?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16771 published?: CVE-2017-16771 was published on 2018-03-22 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/support/security/Synology_SA_18_02

Affected products (1)

cpe:2.3:a:synology:photo_station:*:*:*:*:*:*:*:*

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