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CVE-2023-6247

Estado: AnalizadaMedia (6.5)—

The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.

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)

Openvpn — Openvpn 3

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-6247",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-6247",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-29T19:53:48.660572Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/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": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@openvpn.net",
      "affectedData": [
        {
          "vendor": "OpenVPN",
          "modules": [
            "PKCS#7"
          ],
          "product": "OpenVPN 3 Core Library",
          "versions": [
            {
              "status": "affected",
              "version": "3.0",
              "versionType": "minor releases",
              "lessThanOrEqual": "3.8.3"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2024-02-29T01:42:34.380",
  "references": [
    {
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@openvpn.net"
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@openvpn.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing."
    },
    {
      "lang": "es",
      "value": "El analizador PKCS#7 en las versiones de OpenVPN 3 Core Library hasta 3.8.3 no validó correctamente los datos analizados, lo que provocaría que la aplicación fallara."
    }
  ],
  "lastModified": "2026-06-17T06:50:23.387",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn_3:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EBC9DB31-CCD7-43AC-B2E0-086EA347D4C0",
              "versionEndExcluding": "3.8.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@openvpn.net"
}