CVE-2025-12420 (GCVE-0-2025-12420)
Vulnerability from cvelistv5 – Published: 2026-01-12 21:29 – Updated: 2026-02-26 15:04
VLAI
Title
Unauthenticated Privilege Escalation in ServiceNow AI Platform
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-250 - Execution with Unnecessary Privileges
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.servicenow.com/kb?id=kb_article_v… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ServiceNow | Now Assist AI Agents |
Affected:
5.0.26 , ≤ 5.1.17
(semver)
Affected: 5.0.26 , ≤ 5.2.18 (semver) |
|
| ServiceNow | Virtual Agent API |
Affected:
0 , < 3.15.2
(semver)
Affected: 0 , < 4.0.4 (semver) |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-12420",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-14T04:57:14.352249Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T15:04:50.165Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Now Assist AI Agents",
"vendor": "ServiceNow",
"versions": [
{
"lessThanOrEqual": "5.1.17",
"status": "affected",
"version": "5.0.26",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.2.18",
"status": "affected",
"version": "5.0.26",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Virtual Agent API",
"vendor": "ServiceNow",
"versions": [
{
"lessThan": "3.15.2",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "4.0.4",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Aaron Costello \u2013 AppOmni"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cp\u003eA 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.\u003c/p\u003e\u003cp\u003eServiceNow has addressed this vulnerability by deploying a relevant security update to \u0026nbsp;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.\u003c/p\u003e\u003c/div\u003e\u003cdiv\u003e\u003c/div\u003e"
}
],
"value": "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.\n\nServiceNow has addressed this vulnerability by deploying a relevant security update to \u00a0hosted 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."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "YES",
"Recovery": "USER",
"Safety": "NEGLIGIBLE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"exploitMaturity": "PROOF_OF_CONCEPT",
"privilegesRequired": "NONE",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"valueDensity": "CONCENTRATED",
"vectorString": "CVSS: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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "HIGH"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-250",
"description": "CWE-250: Execution with Unnecessary Privileges",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-13T16:36:53.575Z",
"orgId": "303448ea-6ef3-4077-ad29-5c9bf253c375",
"shortName": "SN"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://support.servicenow.com/kb?id=kb_article_view\u0026sysparm_article=KB2587329"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Unauthenticated Privilege Escalation in ServiceNow AI Platform",
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "303448ea-6ef3-4077-ad29-5c9bf253c375",
"assignerShortName": "SN",
"cveId": "CVE-2025-12420",
"datePublished": "2026-01-12T21:29:37.421Z",
"dateReserved": "2025-10-28T16:31:46.125Z",
"dateUpdated": "2026-02-26T15:04:50.165Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-12420",
"date": "2026-07-04",
"epss": "0.4549",
"percentile": "0.98642"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2025-12420\",\"sourceIdentifier\":\"psirt@servicenow.com\",\"published\":\"2026-01-12T22:16:07.470\",\"lastModified\":\"2026-06-17T08:32:20.637\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\\n\\nServiceNow has addressed this vulnerability by deploying a relevant security update to \u00a0hosted 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.\"},{\"lang\":\"es\",\"value\":\"Se ha identificado una vulnerabilidad en la Plataforma de IA de ServiceNow que podr\u00eda permitir a un usuario no autenticado suplantar a otro usuario y realizar las operaciones a las que el usuario suplantado tiene derecho a realizar.\\n\\nServiceNow ha abordado esta vulnerabilidad mediante el despliegue de una actualizaci\u00f3n de seguridad relevante en las instancias alojadas en octubre de 2025. Tambi\u00e9n se han proporcionado actualizaciones de seguridad a los clientes autoalojados de ServiceNow, socios y clientes alojados con configuraciones \u00fanicas. Adem\u00e1s, la vulnerabilidad se aborda en las versiones de la aplicaci\u00f3n de la tienda enumeradas. Recomendamos que los clientes apliquen r\u00e1pidamente una actualizaci\u00f3n de seguridad o una actualizaci\u00f3n de versi\u00f3n apropiada si a\u00fan no lo han hecho.\"}],\"affected\":[{\"source\":\"psirt@servicenow.com\",\"affectedData\":[{\"vendor\":\"ServiceNow\",\"product\":\"Now Assist AI Agents\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"5.0.26\",\"lessThanOrEqual\":\"5.1.17\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.0.26\",\"lessThanOrEqual\":\"5.2.18\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"ServiceNow\",\"product\":\"Virtual Agent API\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.15.2\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.0.4\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"psirt@servicenow.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS: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:Amber\",\"baseScore\":9.3,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"HIGH\",\"subIntegrityImpact\":\"HIGH\",\"subAvailabilityImpact\":\"HIGH\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NEGLIGIBLE\",\"Automatable\":\"YES\",\"Recovery\":\"USER\",\"valueDensity\":\"CONCENTRATED\",\"vulnerabilityResponseEffort\":\"HIGH\",\"providerUrgency\":\"AMBER\"}}],\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-01-14T04:57:14.352249Z\",\"id\":\"CVE-2025-12420\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"psirt@servicenow.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-250\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.1.18\",\"matchCriteriaId\":\"981D4C38-EC4B-42F1-96D2-83B02403ABD2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:servicenow:now_assist_ai_agents:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.0\",\"versionEndExcluding\":\"5.2.19\",\"matchCriteriaId\":\"160208ED-E032-4B34-BC89-0AC7B2C0808A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.15.2\",\"matchCriteriaId\":\"B619348E-A16D-4A69-9CB6-58A2FFC0BAED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:servicenow:virtual_agent_api:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.0.0\",\"versionEndExcluding\":\"4.0.4\",\"matchCriteriaId\":\"0F8C6775-D097-491A-9246-0C691EB680E3\"}]}]}],\"references\":[{\"url\":\"https://support.servicenow.com/kb?id=kb_article_view\u0026sysparm_article=KB2587329\",\"source\":\"psirt@servicenow.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-12420\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T04:57:14.352249Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-12T21:46:09.393Z\"}}], \"cna\": {\"title\": \"Unauthenticated Privilege Escalation in ServiceNow AI Platform\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Aaron Costello \\u2013 AppOmni\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NEGLIGIBLE\", \"version\": \"4.0\", \"Recovery\": \"USER\", \"baseScore\": 9.3, \"Automatable\": \"YES\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"valueDensity\": \"CONCENTRATED\", \"vectorString\": \"CVSS: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\", \"exploitMaturity\": \"PROOF_OF_CONCEPT\", \"providerUrgency\": \"AMBER\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"HIGH\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"ServiceNow\", \"product\": \"Now Assist AI Agents\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.0.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.1.17\"}, {\"status\": \"affected\", \"version\": \"5.0.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.2.18\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"ServiceNow\", \"product\": \"Virtual Agent API\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"3.15.2\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"4.0.4\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://support.servicenow.com/kb?id=kb_article_view\u0026sysparm_article=KB2587329\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\\n\\nServiceNow has addressed this vulnerability by deploying a relevant security update to \\u00a0hosted 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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cdiv\u003e\u003cp\u003eA 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.\u003c/p\u003e\u003cp\u003eServiceNow has addressed this vulnerability by deploying a relevant security update to \u0026nbsp;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.\u003c/p\u003e\u003c/div\u003e\u003cdiv\u003e\u003c/div\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-250\", \"description\": \"CWE-250: Execution with Unnecessary Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"303448ea-6ef3-4077-ad29-5c9bf253c375\", \"shortName\": \"SN\", \"dateUpdated\": \"2026-01-13T16:36:53.575Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-12420\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-26T15:04:50.165Z\", \"dateReserved\": \"2025-10-28T16:31:46.125Z\", \"assignerOrgId\": \"303448ea-6ef3-4077-ad29-5c9bf253c375\", \"datePublished\": \"2026-01-12T21:29:37.421Z\", \"assignerShortName\": \"SN\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…