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"operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The CLI in npm before 2.15.1 and 3.x before 3.8.3, as used in Node.js 0.10 before 0.10.44, 0.12 before 0.12.13, 4 before 4.4.2, and 5 before 5.10.0, includes bearer tokens with arbitrary requests, which allows remote HTTP servers to obtain sensitive information by reading Authorization headers."}, {"lang": "es", "value": "La CLI en npm en versiones anteriores a 2.15.1 y 3.x en versiones anteriores a 3.8.3, tal como se utiliza en Node.js 0.10 en versiones anteriores a 0.10.44, 0.12 en versiones anteriores a 0.12.13, 4 en versiones anteriores a 4.4.2 y 5 en versiones anteriores a 5.10.0, incluye tokens portadores con peticiones arbitrarias, lo que permite a servidores HTTP remotos obtener informaci\u00f3n sensible leyendo cabeceras de autorizaci\u00f3n."}], "id": "CVE-2016-3956", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-07-02T14:59:19.417", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://blog.npmjs.org/post/142036323955/fixing-a-bearer-token-vulnerability"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21980827"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/npm/npm/commit/f67ecad59e99a03e5aad8e93cd1a086ae087cb29"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/npm/npm/commit/fea8cc92cee02c720b58f95f14d315507ccad401"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/npm/npm/issues/8380"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://nodejs.org/en/blog/vulnerability/npm-tokens-leak-march-2016/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://blog.npmjs.org/post/142036323955/fixing-a-bearer-token-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21980827"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/npm/npm/commit/f67ecad59e99a03e5aad8e93cd1a086ae087cb29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/npm/npm/commit/fea8cc92cee02c720b58f95f14d315507ccad401"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/npm/npm/issues/8380"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://nodejs.org/en/blog/vulnerability/npm-tokens-leak-march-2016/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "npm: bearer token leak to non-registry hosts", "id": "1328413", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1328413"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "status": "draft"}, "cwe": "CWE-201", "details": ["The CLI in npm before 2.15.1 and 3.x before 3.8.3, as used in Node.js 0.10 before 0.10.44, 0.12 before 0.12.13, 4 before 4.4.2, and 5 before 5.10.0, includes bearer tokens with arbitrary requests, which allows remote HTTP servers to obtain sensitive information by reading Authorization headers."], "name": "CVE-2016-3956", "package_state": [{"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Will not fix", "package_name": "nodejs010-npm", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Not affected", "package_name": "rh-nodejs4-npm", "product_name": "Red Hat Software Collections"}], "public_date": "2016-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-3956\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-3956\nhttps://nodesecurity.io/advisories/98"], "threat_severity": "Moderate"}

{}