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CVE-2011-4871

Estado: ModificadaMedia (5)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Opcsystems — Opcsystems.net

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-4871",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "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,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "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": "Modified",
  "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 denegación de servicio a través de un paquete .NET RPC mal formado al puerto TCP 58723."
    }
  ],
  "lastModified": "2026-06-16T23:35:33.017",
  "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"
}