CVE-2009-3287

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"cpe:2.3:a:macournoyer:thin:1.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "63C61B64-0B37-4F7B-8C47-BCA425E09A97", "vulnerable": true}, {"criteria": "cpe:2.3:a:macournoyer:thin:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "2F2E2ACB-9ED2-4712-8A25-DE288DBF27DE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to spoof the IP address and hide activities via a modified X-Forwarded-For header."}, {"lang": "es", "value": "lib/thin/connection.rb en el servidor web Thin anterior a v1.2.4 permite determinar la direcci\u00f3n IP del cliente sobre la cabecera X-Forwarded-For, lo que permite a atacantes remotos suplantar la direcci\u00f3n IP y ocultar la actividad a trav\u00e9s de una cabecera X-Forwarded-For."}], "id": "CVE-2009-3287", "lastModified": "2026-06-16T23:11:18.570", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-09-22T10:30:00.640", "references": [{"source": "cve@mitre.org", "url": "http://github.com/macournoyer/thin/blob/master/CHANGELOG"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://github.com/macournoyer/thin/commit/7bd027914c5ffd36bb408ef47dc749de3b6e063a"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2009/09/12/1"}, {"source": 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