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CVE-2011-3321

Estado: ModificadaAlta (9.3)—

Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.

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 (2)

Siemens — Simatic Wincc Flexible RuntimeSiemens — Simatic Wincc Runtime

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-3321",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2011-09-16T12:35:26.450",
  "references": [
    {
      "url": "http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf",
      "source": "cret@cert.org"
    },
    {
      "url": "http://secunia.com/advisories/46011",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "http://support.automation.siemens.com/WW/view/en/29054992",
      "source": "cret@cert.org"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf",
      "tags": [
        "US Government Resource"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69803",
      "source": "cret@cert.org"
    },
    {
      "url": "http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/46011",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.automation.siemens.com/WW/view/en/29054992",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69803",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de buffer de memoria dinámica en Siemens WinCC Runtime Advanced Loader, tal como se usa en SIMATIC WinCC flexible Runtime y SIMATIC WinCC (TIA Portal) Runtime Advanced, permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria) o posiblemente ejecutar código arbitrario a través de un paquete modificado al puerto TCP 2308."
    }
  ],
  "lastModified": "2026-06-16T23:33:04.670",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc_flexible_runtime:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BA49B1B5-57A3-4405-964F-258B10BAD144"
            },
            {
              "criteria": "cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:advanced:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1116304B-6CD9-4D44-BC95-B945D82873A4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cret@cert.org"
}