CVE-2025-12420
Unknown
Unknown - Not Provided
User Impersonation Vulnerability in ServiceNow AI Platform
Publication date: 2026-01-12
Last updated on: 2026-01-13
Assigner: ServiceNow
Description
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| servicenow | ai_platform | From October_2025 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-250 | The product 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. |
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
