CVE-2025-12420
Patch early
EPSS 53.2% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 53.19% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-250 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-01-12 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| servicenow | now assist ai agents |
| servicenow | virtual agent api |
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