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CVE-2015-6263

Estado: ModificadaMedia (6.3)—

La implementación del cliente RADIUS en Cisco IOS 15.4(3)M2.2, cuando se configura un secreto RADIUS compartido, permite a servidores RADIUS remotos causar una denegación de servicio (reinicio del dispositivo) a través de respuestas malformadas, también conocido como error CSCuu59324.

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

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-6263",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "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": "2015-10-12T01:59:20.440",
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151005-ios-radius",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1033747",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151005-ios-radius",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033747",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "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": "The RADIUS client implementation in Cisco IOS 15.4(3)M2.2, when a shared RADIUS secret is configured, allows remote RADIUS servers to cause a denial of service (device reload) via malformed answers, aka Bug ID CSCuu59324."
    },
    {
      "lang": "es",
      "value": "La implementación del cliente RADIUS en Cisco IOS 15.4(3)M2.2, cuando se configura un secreto RADIUS compartido, permite a servidores RADIUS remotos causar una denegación de servicio (reinicio del dispositivo) a través de respuestas malformadas, también conocido como error CSCuu59324."
    }
  ],
  "lastModified": "2026-06-17T00:30:36.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.4\\(3\\)m2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8CF9C9AE-B5A6-4B03-9ED9-FDBB40CE5BB9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}