{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T03:51:30.403","vulnerabilities":[{"cve":{"id":"CVE-2020-8138","sourceIdentifier":"support@hackerone.com","published":"2020-03-20T21:15:17.547","lastModified":"2024-11-21T05:38:22.020","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL."},{"lang":"es","value":"Una falta de comprobación de IPv4 anidado dentro de IPv6 en el servidor Nextcloud versiones anteriores a 17.0.1, versiones anteriores a 16.0.7 y versiones anteriores a 15.0.14, permitió una vulnerabilidad de tipo Server-Side Request Forgery (SSRF) cuando se suscribe en una URL de calendario maliciosa."}],"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-918"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-918"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionEndExcluding":"15.0.14","matchCriteriaId":"69BE13A7-612F-4C06-B9DD-D5CADE0E89BB"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.0.7","matchCriteriaId":"69BAB965-AE57-4674-BF4E-484F779DE1E1"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"17.0.0","versionEndExcluding":"17.0.2","matchCriteriaId":"4DA73A56-619E-44C9-858A-23DD0EC7730C"}]}]}],"references":[{"url":"https://hackerone.com/reports/736867","source":"support@hackerone.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-014","source":"support@hackerone.com","tags":["Third Party Advisory"]},{"url":"https://hackerone.com/reports/736867","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-014","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}