CVE-2025-12420

Gravedad CVSS v4.0:

CRÍTICA

Tipo:

CWE-200 Revelación de información

Fecha de publicación:

12/01/2026

Última modificación:

12/01/2026

Descripción

*** Pendiente de traducción *** A vulnerability has been identified in the ServiceNow AI Platform that could enable an unauthenticated user to impersonate another user and perform the operations that the impersonated user is entitled to perform.<br /> <br /> ServiceNow has addressed this vulnerability by deploying a relevant security update to hosted instances in October 2025. Security updates have also been provided to ServiceNow self-hosted customers, partners, and hosted customers with unique configurations. Additionally, the vulnerability is addressed in the listed Store App versions. We recommend that customers promptly apply an appropriate security update or upgrade if they have not already done so.

Impacto

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:H/U:Amber CVSS v4.0 Severidad y Métricas:

Puntuación base: 9.30 CRÍTICA
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:H/U:Amber

Vector de acceso (AV): A través de red
Complejidad de acceso (AC): Bajo
Attack Requirements (AT): Ninguno
Privilegios Requeridos (PR): Ninguno
Interacción del usuario (UI): Ninguno
Confidentiality (VC): Alto
Integrity (VI): Alto
Availability (VA): Alto
Confidentiality (SC): Alto
Integrity (SI): Alto
Availability (SA): Alto
Safety (S): Negligible
Automatable (AU): Si
Recovery (R): Usuario
Value Density (V): Concentrated
Vulnerability Response Effort (RE): Alto
Provider Urgency (U): Amber
Exploit Maturity (E): POC

Puntuación base 4.0

9.30

Gravedad 4.0

CRÍTICA

Referencias a soluciones, herramientas e información

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2587329