CVE-2018-20744

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:go_cors_project:go_cors:*:*:*:*:*:*:*:*", "matchCriteriaId": "83CDD84E-E81F-4256-B707-55259AD874F6", "versionEndIncluding": "1.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems."}, {"lang": "es", "value": "El gestor Go CORS, de Olivier Poitrey, hasta la versi\u00f3n 1.3.0, convierte de manera activa una pol\u00edtica comod\u00edn de CORS para que refleje un valor arbitrario de la cabecera Origin, que no es compatible con el dise\u00f1o de seguridad de CORS y podr\u00eda conducir a problemas de mala configuraci\u00f3n de seguridad de CORS."}], "id": "CVE-2018-20744", "lastModified": "2026-06-17T01:53:23.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-01-28T08:29:00.230", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.securityfocus.com/bid/106834"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/rs/cors/issues/55"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.securityfocus.com/bid/106834"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/rs/cors/issues/55"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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