{ "id": "CVE-2023-39959", "sourceIdentifier": "security-advisories@github.com", "published": "2023-08-10T18:15:10.157", "lastModified": "2023-08-16T16:51:48.643", "vulnStatus": "Analyzed", "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." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW" }, "exploitabilityScore": 2.1, "impactScore": 1.4 } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-284" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "versionStartIncluding": "25.0.0", "versionEndExcluding": "25.0.9", "matchCriteriaId": "623D58E0-57A0-42B3-8ED6-DF3B988633AB" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "25.0.0", "versionEndExcluding": "25.0.9", "matchCriteriaId": "D60D3184-C289-49E8-9FBE-EDA8B927131A" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "versionStartIncluding": "26.0.0", "versionEndExcluding": "26.0.4", "matchCriteriaId": "CA187E45-EB4B-468A-9291-FD66B360B2D6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "26.0.0", "versionEndExcluding": "26.0.4", "matchCriteriaId": "2D0FA653-A595-4EC8-9F77-0AD1A4699B07" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:-:*:*:*", "matchCriteriaId": "13650329-BCD1-4FDB-9446-5133C0EDC905" }, { "vulnerable": true, "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "DB1974B0-31C5-4E22-9E8C-BD40C6B54D0C" } ] } ] } ], "references": [ { "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj", "source": "security-advisories@github.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://github.com/nextcloud/server/pull/38747", "source": "security-advisories@github.com", "tags": [ "Patch" ] }, { "url": "https://hackerone.com/reports/1832126", "source": "security-advisories@github.com", "tags": [ "Permissions Required" ] } ] }