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CVE-2020-24221

Estado: ModificadaMedia (5.5)—

An issue was discovered in GetByte function in miniupnp ngiflib version 0.4, allows local attackers to cause a denial of service (DoS) via crafted .gif file (infinite loop).

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)

Miniupnp Project — Ngiflib

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-24221",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-24221",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-09T19:24:20.770754Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-08-11T14:15:10.297",
  "references": [
    {
      "url": "https://github.com/miniupnp/ngiflib/issues/17",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/miniupnp/ngiflib/issues/17",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in GetByte function in miniupnp ngiflib version 0.4, allows local attackers to cause a denial of service (DoS) via crafted .gif file (infinite loop)."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en la función GetByte de la versión 0.4  de miniupnp ngiflib, que permite a atacantes locales provocar una denegación de servicio (DoS) a través de un archivo .gif manipulado (bucle infinito)."
    }
  ],
  "lastModified": "2026-06-17T03:05:19.373",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:miniupnp_project:ngiflib:0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5BE2BAA9-5D76-4039-A655-3F478ED5D601"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}