CVE-2025-12420

criticalpriority · attend · 68EPSS 0.532 · 99 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

53.2% (99th) EPSS

CVSS 9.8 · critical

Is it mine?

16 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-26

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v4.09.3criticalCVSS: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:Ambersecondary · ENISA EU

v4.09.3criticalCVSS: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:Ambersecondary · psirt@servicenow.com

v4.010criticalCVSS: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:A/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:Ambersecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-250US

exploits (2)

Public proof-of-concept and weaponised exploit code.

affected products (16)

Products and version ranges known to be affected.

ServiceNow AI Platform Now Assist AI Agents <5.1.18all versionscert_bundDE
ServiceNow AI Platform Now Assist AI Agents <5.2.19all versionscert_bundDE
ServiceNow AI Platform Virtual Agent API <3.15.2all versionscert_bundDE
ServiceNow AI Platform Virtual Agent API <4.0.4all versionscert_bundDE
ServiceNow AI Platform≤ Virtual Agent API <4.0.4cert_bundDE
ServiceNow AI Platform≤ Now Assist AI Agents <5.1.18cert_bundDE
ServiceNow AI Platform≤ Now Assist AI Agents <5.2.19cert_bundDE
ServiceNow AI Platform≤ Virtual Agent API <3.15.2cert_bundDE
Servicenow Now Assist AI Agents≤ 5.0.26 ≤5.1.17enisa_euvdEU
Servicenow Now Assist AI Agents≤ 5.0.26 ≤5.2.18enisa_euvdEU
Servicenow Virtual Agent API0 → 3.15.2enisa_euvdEU
Servicenow Virtual Agent API0 → 4.0.4enisa_euvdEU
servicenow now assist ai agents< 5.1.18nvdUScpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:*
servicenow now assist ai agents5.2.0 → 5.2.19nvdUScpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:*
servicenow virtual agent api< 3.15.2nvdUScpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:*
servicenow virtual agent api4.0.0 → 4.0.4nvdUScpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0102ServiceNow AI Platform: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2026-01-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in ServiceNow AI Platform ausnutzen, um seine Privilegien zu erhöhen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-01-12modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan