« Volver al listado

CVE-2021-0248

Estado: ModificadaCrítica (10)—

This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series. No other platforms besides NFX Series devices are affected.

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)

Mostrar
{
  "id": "CVE-2021-0248",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "sirt@juniper.net",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "sirt@juniper.net",
      "affectedData": [
        {
          "vendor": "Juniper Networks",
          "product": "Junos OS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "19.1R1",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "NFX Series"
          ]
        }
      ]
    }
  ],
  "published": "2021-04-22T20:15:09.257",
  "references": [
    {
      "url": "https://kb.juniper.net/JSA11141",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@juniper.net"
    },
    {
      "url": "https://kb.juniper.net/JSA11141",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "sirt@juniper.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series. No other platforms besides NFX Series devices are affected."
    },
    {
      "lang": "es",
      "value": "Este problema no es aplicable al Software NFX NextGen. En los dispositivos de la Serie NFX, el uso de credenciales Embebidas en Juniper Networks Junos OS, permite a un atacante tomar el control de cualquier instancia de una implementación de NFX. Este problema solo es explotable por medio de interfaces administrativas. Este problema afecta a: Juniper Networks Junos OS versiones anteriores a 19.1R1 en la serie NFX. No están afectadas otras plataformas además de los dispositivos de la serie NFX"
    }
  ],
  "lastModified": "2026-06-17T03:29:36.163",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E46B49AE-2783-4962-9919-A0E1DDFCE4C9",
              "versionEndExcluding": "19.1"
            },
            {
              "criteria": "cpe:2.3:o:juniper:junos:19.1:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "768C0EB7-8456-4BF4-8598-3401A54D21DA"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:juniper:nfx150:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D9AE81FA-B0F3-4F0B-A2D1-2BB590345058"
            },
            {
              "criteria": "cpe:2.3:h:juniper:nfx250:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7EB08A27-7777-4538-ADC4-9D2F89963C13"
            },
            {
              "criteria": "cpe:2.3:h:juniper:nfx350:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "6CB56048-A486-4A46-B438-CC3084BD9CB6"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "sirt@juniper.net"
}