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CVE-2011-5009

Estado: ModificadaMedia (5)—

The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.

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)

3ssoftware — Codesys

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-5009",
  "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": "2011-12-25T01:55:04.727",
  "references": [
    {
      "url": "http://aluigi.altervista.org/adv/codesys_1-adv.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/bugtraq/2011/Nov/178",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/47018",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/77388",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/77389",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf",
      "tags": [
        "Exploit",
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71533",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://aluigi.altervista.org/adv/codesys_1-adv.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/bugtraq/2011/Nov/178",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/47018",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/77388",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/77389",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf",
      "tags": [
        "Exploit",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71533",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method."
    },
    {
      "lang": "es",
      "value": "El módulo CmpWebServer.dll en el servicio de Control en 3S CoDeSys v3.4 SP4 Patch 2 permite a atacantes remotos causar una denegación de servicio (NULL pointer dereference) mediante (1) un Content-Length manipulado en un HTTP POST o (2) un método de solicitud HTTP inválido."
    }
  ],
  "lastModified": "2026-06-16T23:35:46.527",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:3ssoftware:codesys:3.4:sp4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49B107F2-B145-42E8-A67D-CB167BDF9BC0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}