CVE-2025-12420
Unauthenticated Privilege Escalation in ServiceNow AI Platform
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.
INFO
Published Date :
Jan. 12, 2026, 10:16 p.m.
Last Modified :
Jan. 27, 2026, 8:25 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-12420
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 303448ea-6ef3-4077-ad29-5c9bf253c375 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Apply security updates for hosted instances.
- Install updates for self-hosted customers.
- Upgrade Store Apps if affected.
Public PoC/Exploit Available at Github
CVE-2025-12420 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-12420.
| URL | Resource |
|---|---|
| https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2587329 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-12420 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-12420
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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.
Python
Case-driven SQL + Python investigations of platform abuse & security telemetry using synthetic, privacy-safe datasets, explainable signals, and scored reports.
Makefile Python PowerShell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-12420 vulnerability anywhere in the article.
-
CybersecurityNews
BodySnatcher – New Vulnerability Allows Attacker to Impersonate Any ServiceNow User
A critical vulnerability in ServiceNow’s Virtual Agent API and the Now Assist AI Agents application has been discovered, allowing unauthenticated attackers to impersonate any user and execute privileg ... Read more
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The Hacker News
ServiceNow Patches Critical AI Platform Flaw Allowing Unauthenticated User Impersonation
Jan 13, 2026Ravie LakshmananVulnerability / SaaS Security ServiceNow has disclosed details of a now-patched critical security flaw impacting its ServiceNow AI Platform that could enable an unauthent ... Read more
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CybersecurityNews
Critical ServiceNow Vulnerability Enables Privilege Escalation Via Unauthenticated User Impersonation
A critical security threat to ServiceNow AI Platform deployments, allowing unauthenticated attackers to impersonate legitimate users and execute unauthorized operations. The vulnerability, CVE-2025-12 ... Read more
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Daily CyberSecurity
AI Identity Theft: Critical ServiceNow Flaw (CVE-2025-12420) Allows Unauthenticated Impersonation
A critical vulnerability has been uncovered in the ServiceNow AI Platform, potentially allowing unauthenticated attackers to masquerade as legitimate users. With a severity score of 9.3 out of 10, the ... Read more
-
Daily CyberSecurity
CISA “Must-Patch” Alert: Critical Gogs Exploit CVE-2025-8110 Active in Wild
The Cybersecurity and Infrastructure Security Agency (CISA) has added a dangerous new entry to its “Must-Patch” list, warning that a popular tool used by developers worldwide is actively being exploit ... Read more
The following table lists the changes that have been made to the
CVE-2025-12420 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 27, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.18 *cpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:* versions from (including) 5.2.0 up to (excluding) 5.2.19 *cpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:* versions up to (excluding) 3.15.2 *cpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.0.4 Added Reference Type ServiceNow: https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2587329 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 13, 2026
Action Type Old Value New Value Removed CWE CWE-200 -
CVE Modified by [email protected]
Jan. 13, 2026
Action Type Old Value New Value Added CWE CWE-250 -
New CVE Received by [email protected]
Jan. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added Reference https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2587329 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 12, 2026
Action Type Old Value New Value Added CWE CWE-200