CVE-2025-12420

EUVD-2025-206275

12.01.2026, 22:16

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.

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 14%

Affected Products (NVD)

Vendor	Product	Version
servicenow	now_assist_ai_agents	𝑥 < 5.1.18
servicenow	now_assist_ai_agents	5.2.0 ≤ 𝑥 < 5.2.19
servicenow	virtual_agent_api	𝑥 < 3.15.2
servicenow	virtual_agent_api	4.0.0 ≤ 𝑥 < 4.0.4

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-250 - Execution with Unnecessary Privileges
The software performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

References

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