{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-15T00:54:19.285","vulnerabilities":[{"cve":{"id":"CVE-2023-28999","sourceIdentifier":"security-advisories@github.com","published":"2023-04-04T13:15:09.003","lastModified":"2024-11-21T07:56:22.090","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.​ This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L","baseScore":6.9,"baseSeverity":"MEDIUM","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":0.4,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":0.9,"impactScore":5.5}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-325"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-311"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndExcluding":"3.8.0","matchCriteriaId":"F4EEF1B4-66BE-4127-A87F-E92ACCF8897D"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:iphone_os:*:*:*","versionStartIncluding":"3.0.5","versionEndExcluding":"4.8.0","matchCriteriaId":"CAC80EF2-7FAF-4730-938F-3F5D3C137F24"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:android:*:*:*","versionStartIncluding":"3.13.0","versionEndExcluding":"3.25.0","matchCriteriaId":"012EE253-E69E-406B-8B84-D04F13940620"}]}]}],"references":[{"url":"https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf","source":"security-advisories@github.com","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"https://github.com/nextcloud/desktop/pull/5560","source":"security-advisories@github.com","tags":["Patch","Vendor Advisory"]},{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"https://github.com/nextcloud/desktop/pull/5560","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}