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CVE-2026-40029

Estado: AnalizadaAlta (8.5)—

parseusbs before 1.9 contains an OS command injection vulnerability in parseUSBs.py where LNK file paths are passed unsanitized into an os.popen() shell command, allowing arbitrary command execution via crafted .lnk filenames containing shell metacharacters. An attacker can craft a .lnk filename with embedded shell metacharacters that execute arbitrary commands on the forensic examiner's machine during USB artifact parsing.

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).

🎯 Técnicas ATT&CK

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

Vector CVSS con UI:P (requiere interacción del usuario) en acceso local (AV:L): abrir un archivo .lnk preparado es ejecución en cliente. CWE-78 (OS command injection) en os.popen() permite T1059 sin ambigüedad de intérprete específico.

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

Referencias

JSON original (NVD)

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    },
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      "value": "parseusbs anterior a 1.9 contiene una vulnerabilidad de inyección de comandos del sistema operativo en parseUSBs.py donde las rutas de archivos LNK se pasan sin sanitizar a un comando de shell os.popen(), permitiendo la ejecución arbitraria de comandos a través de nombres de archivo .lnk manipulados que contienen metacaracteres de shell. Un atacante puede manipular un nombre de archivo .lnk con metacaracteres de shell incrustados que ejecutan comandos arbitrarios en la máquina del examinador forense durante el análisis de artefactos USB."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
    {
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