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CVE-2022-22683

Estado: ModificadaCrítica (9.8)—

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology Media Server before 1.8.1-2876 allows remote attackers to execute arbitrary code via unspecified vectors.

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)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-22683",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@synology.com",
        "cvssData": {
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          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
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      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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  },
  "affected": [
    {
      "source": "security@synology.com",
      "affectedData": [
        {
          "vendor": "Synology",
          "product": "Media Server",
          "versions": [
            {
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              "version": "unspecified",
              "lessThan": "1.8.1-2876",
              "versionType": "custom"
            }
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  ],
  "published": "2022-07-28T07:15:07.180",
  "references": [
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_24",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_24",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "weaknesses": [
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      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
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    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de la copia del búfer sin comprobar el tamaño de la entrada (\"Desbordamiento de Búfer Clásico\") en el componente cgi en Synology Media Server versiones anteriores a 1.8.1-2876, permite a atacantes remotos ejecutar código arbitrario por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T04:28:48.590",
  "configurations": [
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