{"id":"CVE-2021-47960","state":"PUBLISHED","title":"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 dir","description":"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.","publishedAt":"2026-04-10T09:21:54.559Z","updatedAt":"2026-04-10T12:43:33.313Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","source":"synology"},"assigner":"synology","products":["Synology Synology SSL VPN Client"],"affected":[{"vendor":"Synology","product":"Synology SSL VPN Client","defaultStatus":"affected","versions":[{"version":"*","status":"affected","lessThan":"1.4.5-0684","versionType":"semver"}]}],"references":["https://www.synology.com/en-global/security/advisory/Synology_SA_26_05"],"weaknesses":["CWE-552"],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47960.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47960","state":"PUBLISHED","datePublished":"2026-04-10T09:21:54.559Z","dateUpdated":"2026-04-10T12:43:33.313Z","assignerShortName":"synology","assignerOrgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateReserved":"2026-04-10T06:29:38.695Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Synology","product":"Synology SSL VPN Client","defaultStatus":"affected","versions":[{"version":"*","status":"affected","lessThan":"1.4.5-0684","versionType":"semver"}]}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-552","lang":"en","description":"Files or Directories Accessible to External Parties","type":"CWE"}]}],"providerMetadata":{"shortName":"synology","orgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateUpdated":"2026-04-10T09:21:54.559Z"},"credits":[{"lang":"en","value":"Laurent Sibilla (https://www.linkedin.com/in/lsibilla/)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-10T12:43:33.313Z"}}]}}}