Paper/Archive/CVE-2025-12420

CVE-2025-12420

ServiceNow Now Assist AI Agents — Unauthenticated Privilege Escalation in ServiceNow AI Platform

Description · from the CVE record

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

ProductAffectedFixed inSource
Now Assist AI Agents5.0.26 – 5.1.17–CNA
Now Assist AI Agents5.0.26 – 5.2.18–CNA
Virtual Agent API< 3.15.23.15.2CNA
Virtual Agent API< 4.0.44.0.4CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SN (CNA)9.3CVSS: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
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorysupport.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2587329