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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:3.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "79164FAE-AE31-4DA2-B4C2-7879268BA29E", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.8.4:*:*:*:*:*:*:*", "matchCriteriaId": "9B9A223A-7A0A-4E31-B8A1-C809373A799D", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "10596213-9D2B-48A3-A733-744D41E90419", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147."}, {"lang": "es", "value": "Cisco IOS XR v3.8.3, v3.8.4 y v3.9.1 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (reinicio del proceso NetIO o recarga del dispositivo) a trav\u00e9s de un paquete IPv4 manipulado, tambi\u00e9n conocido como error ID CSCth44147."}], "id": "CVE-2011-0943", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-05-31T20:55:01.843", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18e.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18e.shtml"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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