CVE-2017-0894

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{"affected": [{"affectedData": [{"product": "Nextcloud Server", "vendor": "Nextcloud", "versions": [{"status": "affected", "version": "before 11.0.3"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0E61C00-FED3-48F0-BE50-A3F778590049", "versionEndExcluding": "11.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token."}, {"lang": "es", "value": "Nextcloud Server anterior a 11.0.3 es vulnerable a una divulgaci\u00f3n de tokens de acciones v\u00e1lidos para los calendarios p\u00fablicos debido a un error l\u00f3gico. Por lo tanto, esto permite a un potencial atacante el acceso a calendarios compartidos p\u00fablicamente sin conocer el token compartido."}], "id": "CVE-2017-0894", "lastModified": "2026-06-17T00:58:28.723", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-08T20:29:00.333", "references": [{"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/218876"}, {"source": "support@hackerone.com", "tags": ["Broken Link", "Patch", "Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-011"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/218876"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Patch", "Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-011"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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