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CVE-2025-12420

nvd nist
Published: Jan 12, 2026Modified: Jun 17, 2026

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9.3
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:H/U:Amber
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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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:H/U:AmberShow less
Source: psirt@servicenow.com (Secondary)

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.

Affected (4)

Servicenow
2 products
Now Assist Ai Agents
Virtual Agent Api
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Servicenow
Now Assist Ai Agents
Before 5.1.18
Now Assist Ai Agents
From 5.2.0 to 5.2.19
Servicenow
Virtual Agent Api
Before 3.15.2
Virtual Agent Api
From 4.0.0 to 4.0.4

Related CWEs

CWE-250
Execution with Unnecessary Privileges
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.

References (1)

Source: psirt@servicenow.com
Vendor Advisory

Timeline

No history available yet.