CVE-2026-102051

Estado: Pendiente de análisisAlta (7.1)—
Gravedad7.1Alta · CVSS 4.0
Probabilidad de explotación0.27 %mayor que el 18 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Una vulnerabilidad de liberación incorrecta de memoria antes de eliminar la última referencia en el proceso l2cpd de las plataformas Junos OS y Junos OS Evolved de Juniper Networks permite a un atacante adyacente no autenticado provocar el agotamiento de memoria de l2cpd y una interrupción del plano de control de la capa 2 mediante tráfico LLDP cuando el procesamiento de recepción rápida está habilitado.

Traducción automática del texto original de NVD (en inglés).

CVSS

Puntuación base
7.1
Versión
4.0
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:X

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.27 %
Percentil entre todas las CVEs puntuadas
18
Fecha de la puntuación
20/10/2026

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).

Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:A/PR:N/UI:N (red adyacente sin privilegios) indica T1210; el agotamiento de memoria en l2cpd por tráfico LLDP causa DoS del plano de control (VA:H).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

Mostrar las 1 referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-102051",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-102051",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-14T20:04:54.586424Z"
        }
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          "vectorString": "CVSS:3.1/AV:A/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"
        },
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      }
    ],
    "cvssMetricV40": [
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          "valueDensity": "CONCENTRATED",
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          "exploitMaturity": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "MODERATE",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "sirt@juniper.net",
      "affectedData": [
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          "vendor": "Juniper Networks",
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          "versions": [
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            {
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            {
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          ],
          "defaultStatus": "unaffected"
        },
        {
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          "product": "Junos OS Evolved",
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            },
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              "versionType": "custom"
            },
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              "version": "25.4X300",
              "lessThan": "25.4X300-D40-EVO",
              "versionType": "custom"
            }
          ],
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  ],
  "published": "2026-10-14T17:17:59.943",
  "references": [
    {
      "url": "https://supportportal.juniper.net/JSA112187",
      "source": "sirt@juniper.net"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "sirt@juniper.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
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    {
      "lang": "en",
      "value": "An Improper Release of Memory Before Removing Last Reference vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause l2cpd memory exhaustion and Layer 2 control-plane disruption via LLDP traffic when fast receive processing is enabled."
    }
  ],
  "lastModified": "2026-10-15T16:23:06.250",
  "sourceIdentifier": "sirt@juniper.net"
}