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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:o:synology:diskstation_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "A9B5E808-EE44-4AE2-98AE-4C6625E6C47D", "versionEndIncluding": "3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets to the Avahi component."}, {"lang": "es", "value": "El contestador Multicast DNS (mDNS) en Synology DiskStation Manager (DSM) anterior a 3.1 responde inadvertidamente a consultas unicast con las direcciones de fuentes que no son enlazadas locales, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (amplificaci\u00f3n de trafico) o obtener informaci\u00f3n potencialmente sensible a trav\u00e9s de paquetes UDP del puerto 5353 en el componente Avahi."}], "id": "CVE-2015-2809", "lastModified": "2026-06-17T00:24:47.997", "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}]}, "published": "2015-04-01T02:00:35.970", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/550620"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/BLUU-9TLSHD"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/73683"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/550620"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/BLUU-9TLSHD"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/73683"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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