CVE-2011-4871

{"id": "CVE-2011-4871", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-04-18T10:33:31.107", "references": [{"url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdf", "tags": ["US Government Resource"], "source": "cret@cert.org"}, {"url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdf", "tags": ["US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723."}, {"lang": "es", "value": "Open Automation Software OPC Systems.NET antes de v5.0, permite a atacantes remotos provocar una denegaci\u00f3n de servicio a trav\u00e9s de un paquete .NET RPC mal formado al puerto TCP 58723."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:opcsystems:opcsystems.net:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53CFC2C0-C136-4C67-B927-28F81600AEF8", "versionEndIncluding": "4.0"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}