CVE-2024-45386

Estado: AplazadaAlta (8.7)—

A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC PCS neo V4.1 (All versions < V4.1 Update 2), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1), SIMOCODE ES V19 (All versions < V19 Update 1), SIRIUS Safety ES V19 (TIA Portal) (All versions < V19 Update 1), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions < V19 Update 1), TIA Administrator (All versions < V3.0.4). Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user's session even after logout.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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: 0.56%
Percentil entre todas las CVEs puntuadas: 45
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).

🎯 Técnicas ATT&CK

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

ExplotaciónT1203 Exploitation for Client Executionexecution75 %
Impacto principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access80 %
Impacto secundarioT1550.001 Application Access Tokenlateral movement75 %

UI:R indica interacción del usuario. La vulnerabilidad requiere que el atacante obtenga un token de sesión de otro modo (phishing, interceptación) y lo reutilice tras logout, permitiendo acceso no autorizado con credenciales válidas.

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

Application Developer Guidance Restrict Web-Based Content Password Policies Multi-factor Authentication Account Use Policies Encrypt Sensitive Information

Tecnologías afectadas (5)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Siemens — Simatic PCS NEO^AI Siemens — Simocode ES^AI Siemens — Sirius Safety ES^AI Siemens — Sirius Soft Starter ES^AI Siemens — TIA Administrator^AI

CWE

CWE-613

Referencias

https://cert-portal.siemens.com/productcert/html/ssa-342348.html

JSON original (NVD)

Mostrar

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      "value": "A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC PCS neo V4.1 (All versions < V4.1 Update 2), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1), SIMOCODE ES V19 (All versions < V19 Update 1), SIRIUS Safety ES V19 (TIA Portal) (All versions < V19 Update 1), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions < V19 Update 1), TIA Administrator (All versions < V3.0.4). Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user's session even after logout."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SIMATIC PCS neo V4.0 (todas las versiones), SIMATIC PCS neo V4.1 (todas las versiones &lt; V4.1 Update 2), SIMATIC PCS neo V5.0 (todas las versiones &lt; V5.0 Update 1), SIMOCODE ES V19 (todas las versiones &lt; V19 Update 1), SIRIUS Safety ES V19 (TIA Portal) (todas las versiones &lt; V19 Update 1), SIRIUS Soft Starter ES V19 (TIA Portal) (todas las versiones &lt; V19 Update 1), TIA Administrator (todas las versiones &lt; V3.0.4). Los productos afectados no invalidan correctamente las sesiones de usuario al cerrar la sesión. Esto podría permitir que un atacante remoto no autenticado, que haya obtenido el token de sesión por otros medios, reutilice la sesión de un usuario legítimo incluso después de cerrar la sesión."
    }
  ],
  "lastModified": "2026-06-17T07:54:06.847",
  "sourceIdentifier": "productcert@siemens.com"
}