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CVE-2019-16701

Estado: ModificadaAlta (8.8)—

pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_php call containing shell metacharacters in a parameter value.

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)

Netgate — Pfsense

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-16701",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-09-25T16:15:12.353",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pfsense/pfsense/commits/master",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pfsense/pfsense/commits/master",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_php call containing shell metacharacters in a parameter value."
    },
    {
      "lang": "es",
      "value": "pfSense versiones de 2.3.4 hasta 2.4.4-p3, permite la inyección de código remota por medio de un documento XML de MethodCall con una llamada del archivo pfsense.exec_php que contiene metacaracteres de shell en un valor de parámetro."
    }
  ],
  "lastModified": "2026-06-17T02:22:37.667",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BF835C68-218C-4B34-AF2E-2BB5368D2206",
              "versionEndExcluding": "2.4.4",
              "versionStartIncluding": "2.3.4"
            },
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A0A896A-691F-442E-9CDE-0EC1393C0C1C"
            },
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E6256A47-F8C7-4097-88D8-170E8E9AE45C"
            },
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F038B4C-BC0C-40A8-B547-36F0420CD800"
            },
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2FC53B2F-94B4-4985-B49E-652C6D3A9940"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}