CVE-2018-20744

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf", "name": "https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/rs/cors/issues/55", "name": "https://github.com/rs/cors/issues/55", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://www.securityfocus.com/bid/106834", "name": "106834", "tags": ["Third Party Advisory"], "refsource": "BID"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-346"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-20744", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2019-01-28T08:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:go_cors_project:go_cors:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.3.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-02-20T18:59Z"}