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CVE-2023-42789

Estado: ModificadaCrítica (9.8)—💥 PoC

A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiProxy 7.4.0, FortiProxy 7.2.0 through 7.2.6, FortiProxy 7.0.0 through 7.0.12, FortiProxy 2.0.0 through 2.0.13, FortiSASE 23.2.b allows attacker to execute unauthorized code or commands via specially 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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (2)

Fortinet — FortiosFortinet — Fortiproxy

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-42789",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-42789",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-03-15T16:38:32.476430Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@fortinet.com",
        "cvssData": {
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          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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      }
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  },
  "affected": [
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            "cpe:2.3:a:fortinet:fortiproxy:2.0.10:*:*:*:*:*:*:*",
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          "product": "FortiProxy",
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          "vendor": "Fortinet",
          "product": "FortiOS",
          "versions": [
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              "versionType": "semver",
              "lessThanOrEqual": "7.4.1"
            },
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              "version": "7.2.0",
              "versionType": "semver",
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            },
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            },
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      "affectedData": [
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          "vendor": "fortinet",
          "product": "fortios",
          "versions": [
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              "version": "7.4.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.4.1"
            },
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              "version": "7.2.0",
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            },
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              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.14"
            },
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              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.15"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
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          ],
          "vendor": "fortinet",
          "product": "fortipam",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.0",
              "versionType": "semver",
              "lessThanOrEqual": "1.1.2"
            },
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              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "1.0.3"
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          ],
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          "vendor": "fortinet",
          "product": "fortiproxy",
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              "version": "7.2.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.6"
            },
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              "version": "7.0.0",
              "versionType": "semver",
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            },
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              "version": "2.0.0",
              "versionType": "semver",
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          ],
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          "product": "fortiproxy",
          "versions": [
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              "status": "affected",
              "version": "7.4.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2024-03-12T15:15:46.107",
  "references": [
    {
      "url": "https://fortiguard.com/psirt/FG-IR-23-328",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/psirt/FG-IR-23-328",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@fortinet.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiProxy 7.4.0, FortiProxy 7.2.0 through 7.2.6, FortiProxy 7.0.0 through 7.0.12, FortiProxy 2.0.0 through 2.0.13, FortiSASE 23.2.b allows attacker to execute unauthorized code or commands via specially crafted HTTP requests."
    },
    {
      "lang": "es",
      "value": "Una escritura fuera de límites en Fortinet FortiOS 7.4.0 a 7.4.1, 7.2.0 a 7.2.5, 7.0.0 a 7.0.12, 6.4.0 a 6.4.14, 6.2.0 a 6.2.15, FortiProxy 7.4.0, 7.2.0 a 7.2.6, 7.0.0 a 7.0.12, 2.0.0 a 2.0.13 permite a un atacante ejecutar código o comandos no autorizados a través de solicitudes HTTP especialmente manipuladas."
    }
  ],
  "lastModified": "2026-07-08T13:16:23.177",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "vulnerable": true,
              "matchCriteriaId": "61540F5B-080A-4D44-8BE0-75D7A0DCCB53"
            },
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              "vulnerable": true,
              "matchCriteriaId": "17FE168A-0EA4-467C-91D2-87EB6D83917A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com"
}