CVE-2025-24472

Estado: AnalizadaAlta (8.1)⚠ Explotación activa

Explotada por: Gunra

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream and downstream devices serial numbers to gain super-admin privileges on the downstream device, if the Security Fabric is enabled, via crafted CSF proxy requests.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 7.23%
Percentil entre todas las CVEs puntuadas: 94
Fecha de la puntuación: 6/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 18/3/2025
Plazo de remediación: 8/4/2025
Uso conocido en ransomware: Known

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access90 %
Impacto secundarioT1059.001 PowerShellexecution75 %

Explotación remota de autenticación (CWE-288) en servicio expuesto sin privilegios previos (AV:N/PR:N). Permite obtener acceso de super-admin (T1078) y ejecución de comandos posterior.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training User Account Management

Tecnologías afectadas (2)

Fortinet — Fortios Fortinet — Fortiproxy

CWE

CWE-288

Referencias

JSON original (NVD)

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  "references": [
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      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-24-535",
      "tags": [
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      "source": "psirt@fortinet.com"
    },
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      "tags": [
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          "value": "CWE-288"
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    {
      "lang": "en",
      "value": "An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream and downstream devices serial numbers to gain super-admin privileges on the downstream device, if the Security Fabric is enabled, via crafted CSF proxy requests."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de omisión de autenticación mediante una ruta o canal alternativo [CWE-288] que afecta a FortiOS 7.0.0 a 7.0.16 y FortiProxy 7.2.0 a 7.2.12, 7.0.0 a 7.0.19 puede permitir que un atacante remoto obtenga privilegios de superadministrador a través de solicitudes de proxy CSF manipuladas."
    }
  ],
  "lastModified": "2026-08-05T05:16:43.473",
  "cisaActionDue": "2025-04-08",
  "cisaExploitAdd": "2025-03-18",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "7.0.20",
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              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "EDC18768-0891-465E-9900-3DF5D22A5CB3",
              "versionEndExcluding": "7.2.13",
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          "operator": "OR"
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  "sourceIdentifier": "psirt@fortinet.com",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability"
}