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CVE-2011-1651

Estado: ModificadaAlta (7.8)—

Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.

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)

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{
  "id": "CVE-2011-1651",
  "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": "2011-05-31T20:55:02.890",
  "references": [
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f191.shtml",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1025567",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f191.shtml",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1025567",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095."
    },
    {
      "lang": "es",
      "value": "Cisco IOS XR 3.9.x y 4.0.x anteriores a 4.0.3 y 4.1.x anteriores a 4.1.1, si el procesador de interfaz SPA está instalado, permite a atacantes remotos provocar una denegación de servicio (recarga del dispositivo) a través de un paquete IPv4 modificado. También conocido como Bug ID CSCto45095."
    }
  ],
  "lastModified": "2026-06-16T23:29:45.007",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "904CA41E-8168-41DE-AE84-941962A7BB71"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1ECAB9C3-9248-4663-ABAE-31FFC969EF3A"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "10596213-9D2B-48A3-A733-744D41E90419"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.9.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A07DCCD1-85D5-4ED2-B845-8C6EAC7E9D9B"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F57421B-F54C-4C50-8B25-AF787E541C5A"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3A865225-6AEA-430D-8DB6-E70F7ED5E547"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5DA73AC0-1CD2-4B6B-940A-DBB0C97E2C09"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "06E63681-C89F-4569-A52C-B870D48E436C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}