CVE-2025-40738
A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26572).
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 10%
- Percentil entre todas las CVEs puntuadas: 96
- Fecha de la puntuación: 5/10/2026
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
T1210Exploitation of Remote Serviceslateral movement75 % - Impacto principal
T1005Data from Local Systemcollection70 % - Impacto secundario
T1068Exploitation for Privilege Escalationprivilege escalation65 %
Acceso remoto de red con privilegios (PR:L) a SINEC NMS sin interacción de usuario; path traversal en ZIP permite escribir archivos arbitrarios (T1005 datos, T1068 escalada de privilegios menciona ejecución con elevated privileges).
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-22
Referencias
JSON original (NVD)
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"version": "2.0.3",
"timestamp": "2025-07-08T13:28:16.137606Z"
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"affected": [
{
"source": "productcert@siemens.com",
"affectedData": [
{
"vendor": "Siemens",
"product": "SINEC NMS",
"versions": [
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"version": "0",
"lessThan": "V4.0",
"versionType": "custom"
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"published": "2025-07-08T11:15:30.190",
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-078892.html",
"tags": [
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"source": "productcert@siemens.com"
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"source": "productcert@siemens.com",
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"value": "A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26572)."
},
{
"lang": "es",
"value": "Se ha identificado una vulnerabilidad en SINEC NMS (todas las versiones anteriores a la V4.0). La aplicación afectada no valida correctamente las rutas de los archivos al extraer los archivos ZIP subidos. Esto podría permitir que un atacante escriba archivos arbitrarios en ubicaciones restringidas y, potencialmente, ejecute código con privilegios elevados (ZDI-CAN-26572)."
}
],
"lastModified": "2026-06-17T09:22:03.260",
"configurations": [
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"sourceIdentifier": "productcert@siemens.com"
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