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CVE-2017-2340

Estado: ModificadaMedia (5.3)—

En Juniper Networks Junos OS 15.1 en versiones desde la 15.1R3 a la 15.1R4, 16.1 anterior a 16.1R3, en plataformas M/MX donde se configura Enhanced Subscriber Management para suscriptores DHCPv6, una vulnerabilidad en el procesamiento de paquetes IPv6 ND originados de suscriptores y destinados a los enrutadores de las series M/MX puede ocasionar un cuelgue o una caída de PFE (Packet Forwarding Engine).

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)

Juniper — Junos

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-2340",
  "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,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "sirt@juniper.net",
      "affectedData": [
        {
          "vendor": "Juniper Networks",
          "product": "Junos OS on M/MX platforms where Enhanced Subscriber Management for DHCPv6 subscribers is configured",
          "versions": [
            {
              "status": "affected",
              "version": "15.1 releases from 15.1R3 to 15.1R4"
            },
            {
              "status": "affected",
              "version": "16.1 prior to 16.1R3"
            },
            {
              "status": "affected",
              "version": "16.2R1 and all subsequent releases have a resolution for this vulnerability"
            },
            {
              "status": "affected",
              "version": "All releases prior to 15.1R3 are not affected."
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-04-24T15:59:00.847",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/97607",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "sirt@juniper.net"
    },
    {
      "url": "http://www.securitytracker.com/id/1038254",
      "source": "sirt@juniper.net"
    },
    {
      "url": "https://kb.juniper.net/JSA10786",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@juniper.net"
    },
    {
      "url": "http://www.securityfocus.com/bid/97607",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1038254",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://kb.juniper.net/JSA10786",
      "tags": [
        "Vendor Advisory"
      ],
      "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": "On Juniper Networks Junos OS 15.1 releases from 15.1R3 to 15.1R4, 16.1 prior to 16.1R3, on M/MX platforms where Enhanced Subscriber Management for DHCPv6 subscribers is configured, a vulnerability in processing IPv6 ND packets originating from subscribers and destined to M/MX series routers can result in a PFE (Packet Forwarding Engine) hang or crash."
    },
    {
      "lang": "es",
      "value": "En Juniper Networks Junos OS 15.1 en versiones desde la 15.1R3 a la 15.1R4, 16.1 anterior a 16.1R3, en plataformas M/MX donde se configura Enhanced Subscriber Management para suscriptores DHCPv6, una vulnerabilidad en el procesamiento de paquetes IPv6 ND originados de suscriptores y destinados a los enrutadores de las series M/MX puede ocasionar un cuelgue o una caída de PFE (Packet Forwarding Engine)."
    }
  ],
  "lastModified": "2026-06-17T01:15:59.993",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:juniper:junos:15.1:r3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7620D01-1A6B-490F-857E-0D803E0AEE56"
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:15.1:r4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4A1545CE-279F-4EE2-8913-8F3B2FAFE7F6"
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BBE35BDC-7739-4854-8BB8-E8600603DE9D"
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2DC47132-9EEA-4518-8F86-5CD231FBFB61"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "sirt@juniper.net"
}