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{"affected": [{"affectedData": [{"product": "cypserver node module", "vendor": "HackerOne", "versions": [{"status": "affected", "version": "All versions"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cypserver_project:cypserver:1.0.0:*:*:*:*:node.js:*:*", "matchCriteriaId": "A690358D-F2A4-4B0B-A360-59EFE1710D46", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "cypserver is a static file server. cypserver is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing \"../\" in the url."}, {"lang": "es", "value": "\"cypserver\" es un servidor est\u00e1tico de archivos. \"cypserver\" es vulnerable a un problema de salto de directorio que otorga a un atacante acceso al sistema de archivos colocando \"../\" en la URL."}], "id": "CVE-2017-16191", "lastModified": "2026-06-17T01:08:57.070", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-07T02:29:06.237", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/cypserver"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://nodesecurity.io/advisories/440"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/cypserver"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://nodesecurity.io/advisories/440"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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