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CVE-2023-6340

Estado: ModificadaMedia (5.5)—

SonicWall Capture Client version 3.7.10, NetExtender client version 10.2.337 and earlier versions are installed with sfpmonitor.sys driver. The driver has been found to be vulnerable to Denial-of-Service (DoS) caused by Stack-based Buffer Overflow vulnerability.

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 (2)

Sonicwall — Capture ClientSonicwall — Netextender

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-6340",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-6340",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-30T15:23:04.082962Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "PSIRT@sonicwall.com",
      "affectedData": [
        {
          "vendor": "SonicWall",
          "product": "Capture Client",
          "versions": [
            {
              "status": "affected",
              "version": "3.7.10 and earlier versions"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unknown"
        },
        {
          "vendor": "SonicWall",
          "product": "NetExtender",
          "versions": [
            {
              "status": "affected",
              "version": "10.2.337 and earlier versions"
            }
          ],
          "platforms": [
            "Windows",
            "64 bit",
            "32 bit"
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-01-18T00:15:38.080",
  "references": [
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0019",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "PSIRT@sonicwall.com"
    },
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0019",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "PSIRT@sonicwall.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SonicWall Capture Client version 3.7.10, NetExtender client version 10.2.337 and earlier versions are installed with sfpmonitor.sys driver.  The driver has been found to be vulnerable to Denial-of-Service (DoS) caused by Stack-based Buffer Overflow vulnerability."
    },
    {
      "lang": "es",
      "value": "SonicWall Capture Client versión 3.7.10, NetExtender client versión 10.2.337 y versiones anteriores se instalan con el controlador sfpmonitor.sys. Se ha descubierto que el controlador es vulnerable a la denegación de servicio (DoS) causada por una vulnerabilidad de desbordamiento de búfer en la región stack de la memoria."
    }
  ],
  "lastModified": "2026-06-17T06:50:33.943",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sonicwall:capture_client:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9EA62B9D-9A7C-447A-BA0C-5ECFF6C74515",
              "versionEndIncluding": "3.7.10"
            },
            {
              "criteria": "cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB83F5B1-CD28-4AC4-913C-48C0A7EE32FB",
              "versionEndIncluding": "10.2.337"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "PSIRT@sonicwall.com"
}