« Volver al listado

CVE-2022-31814

Estado: ModificadaCrítica (9.8)—

pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.

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 — Pfblockerng

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-31814",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-31814",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-05-14T18:16:49.666639Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:netgate:pfblockerng:2.1.4_26:*:*:*:*:pfsense:*:*"
          ],
          "vendor": "netgate",
          "product": "pfblockerng",
          "versions": [
            {
              "status": "affected",
              "version": "2.1.4_26"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2022-09-05T16:15:08.500",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pfsense/FreeBSD-ports/pull/1169",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pfsense/FreeBSD-ports/pull/1169",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected."
    },
    {
      "lang": "es",
      "value": "pfSense pfBlockerNG versiones hasta 2.1.4_26, permite a atacantes remotos ejecutar comandos arbitrarios del Sistema Operativo como root por medio de metacaracteres de shell en el encabezado HTTP Host. NOTA: la versión 3.x no está afectada"
    }
  ],
  "lastModified": "2026-06-17T04:46:21.937",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netgate:pfblockerng:*:*:*:*:*:pfsense:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DD1D3CC8-5BC5-4E09-9345-4CDD99DD6E6B",
              "versionEndIncluding": "2.1.4_26"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}