{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-39959","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2023-08-07T16:27:27.076Z","datePublished":"2023-08-10T17:07:42.367Z","dateUpdated":"2024-10-08T14:11:04.848Z"},"containers":{"cna":{"title":"Existence of calendars and address books can be checked by unauthenticated users","problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj"},{"name":"https://github.com/nextcloud/server/pull/38747","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/server/pull/38747"},{"name":"https://hackerone.com/reports/1832126","tags":["x_refsource_MISC"],"url":"https://hackerone.com/reports/1832126"}],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 25.0.0, < 25.0.9","status":"affected"},{"version":">= 26.0.0, < 26.0.4","status":"affected"},{"version":">= 27.0.0, < 27.0.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2023-08-10T17:11:48.800Z"},"descriptions":[{"lang":"en","value":"Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available."}],"source":{"advisory":"GHSA-g97r-8ffm-hfpj","discovery":"UNKNOWN"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T18:18:10.193Z"},"title":"CVE Program Container","references":[{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj","tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj"},{"name":"https://github.com/nextcloud/server/pull/38747","tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/nextcloud/server/pull/38747"},{"name":"https://hackerone.com/reports/1832126","tags":["x_refsource_MISC","x_transferred"],"url":"https://hackerone.com/reports/1832126"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-08T14:07:20.676683Z","id":"CVE-2023-39959","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-08T14:11:04.848Z"}}]}}