{"api_version":"1","generated_at":"2026-07-25T00:09:55+00:00","cve":"CVE-2023-25159","urls":{"html":"https://cve.report/CVE-2023-25159","api":"https://cve.report/api/cve/CVE-2023-25159.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-25159","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-25159"},"summary":{"title":"CVE-2023-25159","description":"Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2023-02-13 17:15:00","updated_at":"2023-11-07 04:08:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg","refsource":"MISC","tags":[],"title":"Previews are accessible without a watermark · Advisory · nextcloud/security-advisories · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/nextcloud/richdocuments/pull/2579","name":"https://github.com/nextcloud/richdocuments/pull/2579","refsource":"MISC","tags":[],"title":"Listen for event during preview rendering and apply secure view options by juliushaertl · Pull Request #2579 · nextcloud/richdocuments · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://hackerone.com/reports/1745755","name":"https://hackerone.com/reports/1745755","refsource":"MISC","tags":[],"title":"HackerOne","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/nextcloud/server/pull/34799","name":"https://github.com/nextcloud/server/pull/34799","refsource":"MISC","tags":[],"title":"Emit typed event when preview is requested by juliushaertl · Pull Request #34799 · nextcloud/server · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-25159","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25159","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"25159","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"nextcloud_server","cpe6":"24.0.2","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"25159","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"nextcloud_server","cpe6":"25.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"25159","vulnerable":"1","versionEndIncluding":"24.0.8","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"nextcloud_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"25159","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"richdocuments","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"25159","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"richdocuments","cpe6":"7.0.0","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-25159","ASSIGNER":"security-advisories@github.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284: Improper Access Control","cweId":"CWE-284"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"nextcloud","product":{"product_data":[{"product_name":"security-advisories","version":{"version_data":[{"version_affected":"=","version_value":">= 24.0.4, < 24.0.8"},{"version_affected":"=","version_value":"= 25.0.0"},{"version_affected":"=","version_value":">= 6.0.0, < 6.3.1"},{"version_affected":"=","version_value":"= 7.0.0"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg","refsource":"MISC","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg"},{"url":"https://github.com/nextcloud/richdocuments/pull/2579","refsource":"MISC","name":"https://github.com/nextcloud/richdocuments/pull/2579"},{"url":"https://github.com/nextcloud/server/pull/34799","refsource":"MISC","name":"https://github.com/nextcloud/server/pull/34799"},{"url":"https://hackerone.com/reports/1745755","refsource":"MISC","name":"https://hackerone.com/reports/1745755"}]},"source":{"advisory":"GHSA-92g2-h5jv-jjmg","discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}]}},"nvd":{"publishedDate":"2023-02-13 17:15:00","lastModifiedDate":"2023-11-07 04:08:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:nextcloud_server:25.0.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","versionStartIncluding":"24.0.4","versionEndIncluding":"24.0.8","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:nextcloud_server:24.0.2:-:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:richdocuments:7.0.0:-:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:richdocuments:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.0","versionEndExcluding":"6.3.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}