« Volver al listado

CVE-2011-3486

Estado: ModificadaMedia (5)—

Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.

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)

Beckhoff — Twincat

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-3486",
  "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-09-16T14:28:11.950",
  "references": [
    {
      "url": "http://aluigi.altervista.org/adv/twincat_1-adv.txt",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/75495",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/8380",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69765",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://aluigi.altervista.org/adv/twincat_1-adv.txt",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/75495",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/8380",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69765",
      "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": "Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read."
    },
    {
      "lang": "es",
      "value": "Beckhoff TwinCAT 2.11.0.2004 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio a través de una petición modificada al puerto UDP 48899, lo que provoca una lectura fuera de límites."
    }
  ],
  "lastModified": "2026-06-16T23:33:20.973",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:beckhoff:twincat:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1B92AE1B-8C52-49A7-9E77-D53BF2F97B82",
              "versionEndIncluding": "2.11.0.2004"
            },
            {
              "criteria": "cpe:2.3:a:beckhoff:twincat:2.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "193DDD23-9633-4FE3-87E3-CE99A6C5F0EE"
            },
            {
              "criteria": "cpe:2.3:a:beckhoff:twincat:2.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "47ACBF0A-C4E4-455B-972C-AC5393A4C8F8"
            },
            {
              "criteria": "cpe:2.3:a:beckhoff:twincat:2.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "99B6EF62-3FFF-429B-971C-9D6471EFE89B"
            },
            {
              "criteria": "cpe:2.3:a:beckhoff:twincat:2.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8CAC2548-00B0-4394-A10F-85F28351B2F9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}