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CVE-2021-22129

Estado: ModificadaAlta (8.8)—

Multiple instances of incorrect calculation of buffer size in the Webmail and Administrative interface of FortiMail before 6.4.5 may allow an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP 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 — Fortimail

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-22129",
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          "id": "CVE-2021-22129",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T14:13:44.292006Z"
        }
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    "cvssMetricV2": [
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          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
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  "published": "2021-07-09T19:15:08.073",
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    {
      "url": "https://fortiguard.com/advisory/FG-IR-21-023",
      "tags": [
        "Vendor Advisory"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-120"
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    },
    {
      "lang": "es",
      "value": "Múltiples instancias de cálculo incorrecto del tamaño del búfer en la interfaz Administrativa y de Correo web de FortiMail versiones anteriores a 6.4.5, pueden permitir a un atacante autenticado con acceso regular al correo web desencadenar un desbordamiento del búfer y posiblemente ejecutar código o comandos no autorizados por medio de peticiones HTTP específicamente diseñadas"
    }
  ],
  "lastModified": "2026-06-17T03:36:40.033",
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