CVE-2025-46328

Estado: AnalizadaAlta (7)—

snowflake-connector-nodejs is a NodeJS driver for Snowflake. Versions starting from 1.10.0 to before 2.0.4, are vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition. When using the Easy Logging feature on Linux and macOS the Driver reads logging configuration from a user-provided file. On Linux and macOS the Driver verifies that the configuration file can be written to only by its owner. That check was vulnerable to a TOCTOU race condition and failed to verify that the file owner matches the user running the Driver. This could allow a local attacker with write access to the configuration file or the directory containing it to overwrite the configuration and gain control over logging level and output location. This issue has been patched in version 2.0.4.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.17%
Percentil entre todas las CVEs puntuadas: 6
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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Impacto principalT1059 Command and Scripting Interpreterexecution75 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact70 %

TOCTOU en validación de permisos de archivo local (CWE-367) permite escalada de privilegios; atacante con acceso local modifica configuración de logging para ejecutar comandos arbitrarios o manipular datos registrados.

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

Execution Prevention Threat Intelligence Program Restrict Web-Based Content Restrict File and Directory Permissions Privileged Account Management Remote Data Storage

Tecnologías afectadas (1)

Snowflake — Snowflake Connector

CWE

CWE-367

Referencias

JSON original (NVD)

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      "value": "snowflake-connector-nodejs is a NodeJS driver for Snowflake. Versions starting from 1.10.0 to before 2.0.4, are vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition. When using the Easy Logging feature on Linux and macOS the Driver reads logging configuration from a user-provided file. On Linux and macOS the Driver verifies that the configuration file can be written to only by its owner. That check was vulnerable to a TOCTOU race condition and failed to verify that the file owner matches the user running the Driver. This could allow a local attacker with write access to the configuration file or the directory containing it to overwrite the configuration and gain control over logging level and output location. This issue has been patched in version 2.0.4."
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      "value": "snowflake-connector-nodejs es un controlador NodeJS para Snowflake. Las versiones desde la 1.10.0 hasta la 2.0.4 son vulnerables a una condición de ejecución TOCTOU (Time-of-Check to Time-of-Use). Al usar la función Easy Logging en Linux y macOS, el controlador lee la configuración de registro de un archivo proporcionado por el usuario. En Linux y macOS, el controlador verifica que solo su propietario pueda escribir en el archivo de configuración. Esta comprobación era vulnerable a una condición de ejecución TOCTOU y no verificaba que el propietario del archivo coincidiera con el usuario que ejecutaba el controlador. Esto podría permitir que un atacante local con acceso de escritura al archivo de configuración o al directorio que lo contiene sobrescribiera la configuración y obtuviera el control sobre el nivel de registro y la ubicación de salida. Este problema se ha corregido en la versión 2.0.4."
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  "lastModified": "2026-06-17T09:26:14.630",
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