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CVE-2022-26019

Estado: ModificadaAlta (8.8)—

Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.

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)

Netgate — PfsenseNetgate — Pfsense Plus

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-26019",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 8.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "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": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "pfSense",
          "product": "pfSense CE and pfSense Plus",
          "versions": [
            {
              "status": "affected",
              "version": "pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-03-31T08:15:08.387",
  "references": [
    {
      "url": "https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc",
      "tags": [
        "Mitigation",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN87751554/index.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc",
      "tags": [
        "Mitigation",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN87751554/index.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de acceso inapropiado en pfSense CE y pfSense Plus (versiones de software de pfSense CE anteriores a 2.6.0 y versiones de software de pfSense Plus anteriores a 22.01) permite que un atacante remoto con el privilegio de cambiar la configuración del GPS NTP reescriba los archivos existentes en el sistema de archivos, lo que puede resultar en una ejecución de un comando arbitrario"
    }
  ],
  "lastModified": "2026-06-17T04:34:34.943",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7AB4D564-FD37-45F0-B739-0FA889E44AE3",
              "versionEndExcluding": "2.6.0"
            },
            {
              "criteria": "cpe:2.3:a:netgate:pfsense_plus:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2A698B2A-EC00-494B-907A-1366740325C6",
              "versionEndExcluding": "22.01"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}