{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-29T13:39:48.534","vulnerabilities":[{"cve":{"id":"CVE-2020-8139","sourceIdentifier":"support@hackerone.com","published":"2020-03-20T21:15:17.640","lastModified":"2026-06-17T03:25:55.690","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL."},{"lang":"es","value":"Una falta de comprobación del control de acceso en Nextcloud Server versiones anteriores a 18.0.1, versiones anteriores a 17.0.4 y versiones anteriores a 16.0.9, causa que los recursos compartidos de descarga oculta sean descargables cuando se agregan y descargan en la URL."}],"affected":[{"source":"support@hackerone.com","affectedData":[{"vendor":"n/a","product":"Nextcloud Server","versions":[{"version":"Fixed in 18.0.1, 17.0.4, and 16.0.9","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N","baseScore":4.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-862"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.0.9","matchCriteriaId":"054C81E4-AF07-41BC-B063-D9182FE8B43D"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"17.0.0","versionEndExcluding":"17.0.4","matchCriteriaId":"28D83514-9755-443B-9A5D-B07233D407AD"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"18.0.0","versionEndExcluding":"18.0.1","matchCriteriaId":"7242CFB8-FCAA-403E-949C-CE973A496BB6"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","matchCriteriaId":"36D96259-24BD-44E2-96D9-78CE1D41F956"}]}]}],"references":[{"url":"https://hackerone.com/reports/788257","source":"support@hackerone.com","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/","source":"support@hackerone.com"},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-015","source":"support@hackerone.com","tags":["Vendor Advisory"]},{"url":"https://hackerone.com/reports/788257","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-015","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}