Vulnerability in Servicenow Now Assist Ai Agents
CVE-2025-12420
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…
EPSS: 0.455 (98.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Servicenow Now Assist Ai Agents — versions 5.0.26
- Servicenow Now_assist_ai_agents
- Servicenow Virtual Agent Api — versions 0
- Servicenow Virtual_agent_api
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@servicenow.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-12420?
- CVE-2025-12420 is a critical-severity vulnerability in Servicenow Now Assist Ai Agents, classified under CWE-250. CVSS score: 9.8/10. Published 2026-01-12.
- How severe is CVE-2025-12420?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-12420 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.