CVE-2025-14542

Estado: AplazadaAlta (7.5)—

The vulnerability arises when a client fetches a tools’ JSON specification, known as a Manual, from a remote Manual Endpoint. While a provider may initially serve a benign manual (e.g., one defining an HTTP tool call), earning the clients’ trust, a malicious provider can later change the manual to exploit the client.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.26%
Percentil entre todas las CVEs puntuadas: 17
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 Executionexecution85 %
Impacto principalT1059 Command and Scripting Interpreterexecution75 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access60 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact65 %

UI:R (interacción del usuario) y acceso remoto (AV:N) determinan T1203. El cliente ejecuta especificaciones JSON manipuladas, permitiendo ejecución de código, manipulación de datos y potencial robo de credenciales mediante herramientas maliciosas redefinidas.

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

Privileged Account Management Application Developer Guidance Active Directory Configuration User Training User Account Management Restrict Web-Based Content

CWE

CWE-501

Referencias

JSON original (NVD)

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          "options": [
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          "version": "2.0.3",
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          "packageName": "utcp",
          "collectionURL": "https://pypi.org/project/pip"
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  "published": "2025-12-13T16:16:51.407",
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  "lastModified": "2026-06-17T08:36:08.257",
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