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CVE-2012-4622

Estado: ModificadaAlta (7.1)—

Cisco IOS XE v03.02.00.XO.15.0(2)XO en switches de la serie Catalyst 4500E, cuando está instalada la tarjeta Supervisor Engine 7L-E, permite a atacantes remotos provocar una denegación de servicio (recarga de la tarjeta) a través de paquetes erróneos que provocan un mensaje de error ECC incorrecto, también conocido como Bug ID CSCty88456.

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 XE

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-4622",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2012-09-27T00:55:01.140",
  "references": [
    {
      "url": "http://osvdb.org/85821",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ecc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/55701",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1027573",
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78886",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://osvdb.org/85821",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ecc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/55701",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1027573",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78886",
      "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 XE 03.02.00.XO.15.0(2)XO on Catalyst 4500E series switches, when a Supervisor Engine 7L-E card is installed, allows remote attackers to cause a denial of service (card reload) via malformed packets that trigger uncorrected ECC error messages, aka Bug ID CSCty88456."
    },
    {
      "lang": "es",
      "value": "Cisco IOS XE v03.02.00.XO.15.0(2)XO en switches de la serie Catalyst 4500E, cuando está instalada la tarjeta Supervisor Engine 7L-E, permite a atacantes remotos provocar una denegación de servicio (recarga de la tarjeta) a través de paquetes erróneos que provocan un mensaje de error ECC incorrecto, también conocido como Bug ID CSCty88456."
    }
  ],
  "lastModified": "2026-06-16T23:45:30.937",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:3.2.00.xo.15.0\\(2\\)xo:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7F018C7-4BC5-443E-815E-481C805F3612"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_4500e_series:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "05FBF0F1-5608-4E59-8E89-3F964121678E"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}