« Volver al listado

CVE-2015-6432

Estado: ModificadaAlta (7.5)—

Cisco IOS XR 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 does not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates, which allows remote attackers to cause a denial of service (device reload) via a crafted update, aka Bug ID CSCuw83486.

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-2015-6432",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-01-05T02:59:05.427",
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160104-iosxr",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034570",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160104-iosxr",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1034570",
      "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 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 does not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates, which allows remote attackers to cause a denial of service (device reload) via a crafted update, aka Bug ID CSCuw83486."
    },
    {
      "lang": "es",
      "value": "Cisco IOS XR 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0 y 5.3.2 no restringe correctamente el número de Path Computation Elements (PCEs) para actualizaciones de OSPF LSA opaque area, lo que permite a atacantes remotos provocar una denegación de servicio (recarga del dispositivo) a través de una actualización manipulada, también conocido como Bug ID CSCuw83486."
    }
  ],
  "lastModified": "2026-06-17T00:30:53.083",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FB6ABB63-E2D2-42F7-B648-BF6002D1C05E"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:4.3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "074571B4-65EF-451A-89DC-0797F6E4BFEA"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7620A88-C4B3-4184-846F-1E3FD8A751EB"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9839DC3C-8B8A-49D5-9E50-BB7C4BCE5878"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DE1DFA18-E6D7-4F1D-8D9B-70323B2983AC"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB5452CA-E4DF-49FD-A677-3F6257F14707"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7DABC2A4-B161-4597-B053-0ECEFCCDD89F"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5F1F85C-B63F-4D6F-9918-4A5E4945B96B"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:5.3.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4695DF36-5DC7-430B-8266-BF07FD2E7EFC"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}