{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47960", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2026-04-10T06:29:38.695Z", "datePublished": "2026-04-10T09:21:54.559Z", "dateUpdated": "2026-04-10T12:43:33.313Z" }, "containers": { "cna": { "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Files or Directories Accessible to External Parties", "cweId": "CWE-552", "type": "CWE" } ] } ], "affected": [ { "vendor": "Synology", "product": "Synology SSL VPN Client", "versions": [ { "version": "*", "status": "affected", "lessThan": "1.4.5-0684", "versionType": "semver" } ], "defaultStatus": "affected" } ], "descriptions": [ { "lang": "en", "value": "A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access files within the installation directory via a local HTTP server bound to the loopback interface. By leveraging user interaction with a crafted web page, attackers may retrieve sensitive files such as configuration files, certificates, and logs, leading to information disclosure." } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1" } } ], "references": [ { "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_05", "name": "Synology-SA-26:05 Synology SSL VPN Client", "tags": [ "vendor-advisory" ] } ], "credits": [ { "lang": "en", "value": "Laurent Sibilla (https://www.linkedin.com/in/lsibilla/)", "type": "finder" } ], "providerMetadata": { "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-04-10T09:21:54.559Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-10T12:43:26.407315Z", "id": "CVE-2021-47960", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-10T12:43:33.313Z" } } ] } }