CVE-2017-16773

MEDIUMNVD 6.58.8▲

6.5

Improper authorization vulnerability in Highlight Preview in Synology Universal Search before 1.0.5-0135 allows remote authenticated users to bypass permission checks for directories in POSIX mode.

CVSS v3: 6.5
EG Score: 8.8(medium)
EPSS: 33.0%
KEV: Not listed

Published

July 5, 2018

Last Modified

November 21, 2024

References (2)

security@synologyhttps://www.synology.com/en-global/support/security/Synology_SA_18_27
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/en-global/support/security/Synology_SA_18_27

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 02:30 UTCEG score recompute
2026-05-23 02:30 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2017-16773?

CVE-2017-16773 is a medium vulnerability published on July 5, 2018. Improper authorization vulnerability in Highlight Preview in Synology Universal Search before 1.0.5-0135 allows remote authenticated users to bypass permission checks for directories in POSIX mode.

When was CVE-2017-16773 disclosed?

CVE-2017-16773 was first published in the National Vulnerability Database on July 5, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-16773 actively exploited?

CVE-2017-16773 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-16773?

CVE-2017-16773 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.

How do I remediate CVE-2017-16773?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-16773, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-16773

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CVE-2017-16773

📅 Published

🔄 Last Modified

🔗 References (2)