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CVE-2025-12420— Unauthenticated Privilege Escalation in ServiceNow AI Platform

Quick assessment

Affected
ServiceNow Now Assist AI Agents
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ServiceNow AI Platform是美国ServiceNow公司的一款AI智能平台。 ServiceNow AI Platform存在安全漏洞，该漏洞源于未经验证的用户可冒充其他用户并执行其有权执行的操作。

AI Predicted 9.8 Difficulty: Easy EPSS 53.19% · P99
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I. Basic Information for CVE-2025-12420

Vulnerability Information
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Vulnerability Title
Unauthenticated Privilege Escalation in ServiceNow AI Platform
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
ServiceNow AI Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ServiceNow AI Platform是美国ServiceNow公司的一款AI智能平台。 ServiceNow AI Platform存在安全漏洞，该漏洞源于未经验证的用户可冒充其他用户并执行其有权执行的操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ServiceNow Now Assist AI Agents 5.0.26 ~ 5.1.17 -
ServiceNow Virtual Agent API 0 ~ 3.15.2 -

II. Public POCs for CVE-2025-12420

# POC Description Source Link Shenlong Link
1 This script audits ServiceNow AI Agents for vulnerabilities like CVE-2025-12420, governance gaps, and compliance risks. Powered by CYBERDUDEBIVASH – your global ecosystem for cybersecurity, AI apps, services, and consulting. https://github.com/cyberdudebivash/CYBERDUDEBIVASH-ServiceNow-AI-Agent-Audit-Script POC Details
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III. Intelligence Information for CVE-2025-12420

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Other References for CVE-2025-12420 (1)

IV. Related Vulnerabilities

Same vendor: ServiceNow
Same weakness: CWE-250

V. Comments for CVE-2025-12420

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