CVE-2025-25256
Estado: ModificadaCrítica (9.8)—
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 65%
- Percentil entre todas las CVEs puntuadas: 99
- Fecha de la puntuación: 3/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 %
Vector CVSS con AV:N/PR:N/UI:N indica acceso remoto sin autenticación a aplicación expuesta (T1190). CWE-78 y descripción confirman inyección de comandos OS, permitiendo ejecución de código arbitrario (T1059).
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
Tecnologías afectadas (1)
CWE
- CWE-78
Referencias
- https://fortiguard.fortinet.com/psirt/FG-IR-25-152
- https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/
- https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256
- https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-25256",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-25256",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-08-16T03:55:47.686767Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@fortinet.com",
"cvssData": {
"scope": "UNCHANGED",
"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
}
]
},
"affected": [
{
"source": "psirt@fortinet.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:fortinet:fortisiem:7.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.0.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:7.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.7.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.5.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.5.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.5.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.5.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.3.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.3.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.1.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.1.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:6.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.3.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.3.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.1.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.1.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.1.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:5.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:4.10.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:4.9.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisiem:4.7.2:*:*:*:*:*:*:*"
],
"vendor": "Fortinet",
"product": "FortiSIEM",
"versions": [
{
"status": "affected",
"version": "7.3.0",
"versionType": "semver",
"lessThanOrEqual": "7.3.1"
},
{
"status": "affected",
"version": "7.2.0",
"versionType": "semver",
"lessThanOrEqual": "7.2.5"
},
{
"status": "affected",
"version": "7.1.0",
"versionType": "semver",
"lessThanOrEqual": "7.1.7"
},
{
"status": "affected",
"version": "7.0.0",
"versionType": "semver",
"lessThanOrEqual": "7.0.3"
},
{
"status": "affected",
"version": "6.7.0",
"versionType": "semver",
"lessThanOrEqual": "6.7.9"
},
{
"status": "affected",
"version": "6.6.0",
"versionType": "semver",
"lessThanOrEqual": "6.6.5"
},
{
"status": "affected",
"version": "6.5.0",
"versionType": "semver",
"lessThanOrEqual": "6.5.3"
},
{
"status": "affected",
"version": "6.4.0",
"versionType": "semver",
"lessThanOrEqual": "6.4.4"
},
{
"status": "affected",
"version": "6.3.0",
"versionType": "semver",
"lessThanOrEqual": "6.3.3"
},
{
"status": "affected",
"version": "6.2.0",
"versionType": "semver",
"lessThanOrEqual": "6.2.1"
},
{
"status": "affected",
"version": "6.1.0",
"versionType": "semver",
"lessThanOrEqual": "6.1.2"
},
{
"status": "affected",
"version": "5.4.0"
},
{
"status": "affected",
"version": "5.3.0",
"versionType": "semver",
"lessThanOrEqual": "5.3.3"
},
{
"status": "affected",
"version": "5.2.5",
"versionType": "semver",
"lessThanOrEqual": "5.2.8"
},
{
"status": "affected",
"version": "5.2.1",
"versionType": "semver",
"lessThanOrEqual": "5.2.2"
},
{
"status": "affected",
"version": "5.1.0",
"versionType": "semver",
"lessThanOrEqual": "5.1.3"
},
{
"status": "affected",
"version": "5.0.0",
"versionType": "semver",
"lessThanOrEqual": "5.0.1"
},
{
"status": "affected",
"version": "4.10.0"
},
{
"status": "affected",
"version": "4.9.0"
},
{
"status": "affected",
"version": "4.7.2"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2025-08-12T19:15:28.683",
"references": [
{
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-152",
"tags": [
"Vendor Advisory"
],
"source": "psirt@fortinet.com"
},
{
"url": "https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
},
{
"url": "https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@fortinet.com",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests."
},
{
"lang": "es",
"value": "Una vulnerabilidad de neutralización incorrecta de elementos especiales utilizados en un comando del SO ('OS Command Injection') [CWE-78] en Fortinet FortiSIEM versión 7.3.0 a 7.3.1, 7.2.0 a 7.2.5, 7.1.0 a 7.1.7, 7.0.0 a 7.0.3 y anteriores a 6.7.9 permite que un atacante no autenticado ejecute código o comandos no autorizados a través de solicitudes CLI manipuladas."
}
],
"lastModified": "2026-08-18T21:16:32.450",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AE219A7C-15F6-42F1-8A2E-2D9C2D182F47",
"versionEndExcluding": "6.7.10",
"versionStartIncluding": "5.4.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C19909A4-227B-460D-B1EF-5115B8DB0CF9",
"versionEndExcluding": "7.0.4",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "119827CE-B8BF-4418-830F-B87CA0305265",
"versionEndExcluding": "7.1.8",
"versionStartIncluding": "7.1.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8DBF861B-B200-40BA-86A3-51E90F3DCF04",
"versionEndExcluding": "7.2.6",
"versionStartIncluding": "7.2.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0A631305-1FA5-4CE8-B180-DC4BD6467A2F",
"versionEndExcluding": "7.3.2",
"versionStartIncluding": "7.3.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@fortinet.com"
}