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CVE-2021-36194

Estado: ModificadaAlta (8.8)—

Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.

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)

Fortinet — Fortiweb

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-36194",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2021-36194",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T14:13:04.828107Z"
        }
      }
    ],
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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  "affected": [
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      "affectedData": [
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          "vendor": "Fortinet",
          "product": "Fortinet FortiWeb",
          "versions": [
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              "version": "FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15"
            }
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  ],
  "published": "2021-12-09T09:15:07.020",
  "references": [
    {
      "url": "https://fortiguard.com/advisory/FG-IR-21-152",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-21-152",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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      "lang": "en",
      "value": "Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests."
    },
    {
      "lang": "es",
      "value": "Múltiples desbordamientos de búfer en la región stack de la memoria en los controladores de la API de FortiWeb versiones 6.4.1, 6.4.0 y 6.3.0 hasta 6.3.15, pueden permitir a un atacante autenticado lograr la ejecución de código arbitrario por medio de peticiones especialmente diseñadas"
    }
  ],
  "lastModified": "2026-06-17T03:58:30.347",
  "configurations": [
    {
      "nodes": [
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          "negate": false,
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  "sourceIdentifier": "psirt@fortinet.com"
}