CVE-2018-16463

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{"affected": [{"affectedData": [{"product": "Nextcloud Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "<14.0.0, <13.0.3, <12.0.8"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CEE07AB-CFB8-41CB-85E7-06FF3977DD2B", "versionEndExcluding": "12.0.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C66EEA7-59A5-4F3B-ADC3-5A7422B1FBC0", "versionEndExcluding": "13.0.3", "versionStartIncluding": "13.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "A52F8C90-1506-454B-A77F-BE151363DFD4", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "813FFC04-945F-4710-9474-344CDFE60536", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "0E6E366E-B480-4F56-8921-41B3AD1D2C3E", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta4:*:*:*:*:*:*", "matchCriteriaId": "6472CDD2-0FA2-4742-82DE-7F5DA877D55A", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "C9C1757C-A694-4F22-AF99-3FDC11E7BC8E", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "9F1B3B90-A91E-4285-93BF-30A5CE9C1AB7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares."}, {"lang": "es", "value": "Un error que provoca una fijaci\u00f3n de sesi\u00f3n en Nextcloud Server en versiones anteriores a 14.0.0, 13.0.3 y 12.0.8 podr\u00eda permitir que un atacante obtenga acceso a comparticiones protegidas por contrase\u00f1a."}], "id": "CVE-2018-16463", "lastModified": "2026-06-17T01:44:20.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 0.5, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-30T21:29:00.510", "references": [{"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/237184"}, {"source": "support@hackerone.com", "tags": ["Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2018-013"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/237184"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2018-013"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-384"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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