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CVE-2020-22721

Estado: ModificadaAlta (7.8)—

A File Upload Vulnerability in PNotes - Andrey Gruber PNotes.NET v3.8.1.2 allows a local attacker to execute arbitrary code via the Miscellaneous " External Programs by uploading the malicious .exe file to the external program.

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)

Pnotes.net Project — Pnotes.net

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-22721",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-08-14T16:15:17.023",
  "references": [
    {
      "url": "https://syhack.wordpress.com/2020/04/18/pnotes-insecure-file-upload-vulnerability-code-execution/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://syhack.wordpress.com/2020/04/18/pnotes-insecure-file-upload-vulnerability-code-execution/",
      "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-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A File Upload Vulnerability in PNotes - Andrey Gruber PNotes.NET v3.8.1.2 allows a local attacker to execute arbitrary code via the Miscellaneous \" External Programs by uploading the malicious .exe file to the external program."
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Carga de Archivos en PNotes - Andrey Gruber PNotes.NET versión v3.8.1.2, permite a un atacante local ejecutar código arbitrario por medio de los Miscellaneous \" External Programs al cargar el archivo .exe malicioso en el programa externo."
    }
  ],
  "lastModified": "2026-06-17T03:04:21.493",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pnotes.net_project:pnotes.net:3.8.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5C1C1F68-E4A8-400E-BDA2-520F8B56B1A4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}