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CVE-2011-3295

Estado: ModificadaAlta (7.8)—

The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.

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)

Cisco — IOS XR

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-3295",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-05-02T10:09:21.473",
  "references": [
    {
      "url": "http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577&sortparam=7",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1027005",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1027006",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577&sortparam=7",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1027005",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1027006",
      "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": "The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888."
    },
    {
      "lang": "es",
      "value": "Los procesos NETIO y IPV4_IO en Cisco IOS XR v3.8 hasta v4.1, como los utilizados en el sistema Cisco Carrier Routing System y otros productos, permite a atacantes remotos causar una denegación de servicio (consumo de CPU) a través de tráfico de la red manipulado, también conocido como Bug ID CSCti59888."
    }
  ],
  "lastModified": "2026-06-16T23:33:02.553",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "3A20B6A9-27B7-4F42-B88D-F4AACC9BC24D"
            },
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            },
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            },
            {
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              "matchCriteriaId": "5DA73AC0-1CD2-4B6B-940A-DBB0C97E2C09"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "39F8B336-0DFA-41CE-9EFF-89A09BBDC6D6"
            },
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            },
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              "vulnerable": true,
              "matchCriteriaId": "06E63681-C89F-4569-A52C-B870D48E436C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}