CVE-2026-0542

Estado: AplazadaCrítica (9.2)—

ServiceNow has addressed a remote code execution vulnerability that was identified in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to execute code within the ServiceNow Sandbox.

ServiceNow addressed this vulnerability by deploying a security update to hosted instances. Relevant security updates also have been provided to ServiceNow self-hosted customers and partners. Further, the vulnerability is addressed in the listed patches and hot fixes. While we are not currently aware of exploitation against customer instances, we recommend customers promptly apply appropriate updates or upgrade if they have not already done so.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:X/AU:X/R:X/V:X/RE:X/U:X
Puntuación base: 9.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.59%
Percentil entre todas las CVEs puntuadas: 46
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %

AV:N/PR:N indica explotación remota sin autenticación (T1190). RCE en sandbox de ServiceNow permite ejecución de código arbitrario (T1059). CWE-653 refuerza ejecución remota en contexto restringido.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Vulnerability Scanning Restrict Web-Based Content Network Segmentation Limit Software Installation Limit Access to Resource Over Network

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Servicenow — AI Platform^AI Servicenow — Sandbox^AI

CWE

CWE-653

Referencias

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2693566

JSON original (NVD)

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{
  "id": "CVE-2026-0542",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-0542",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-26T15:52:51.206570Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "psirt@servicenow.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 9.2,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@servicenow.com",
      "affectedData": [
        {
          "vendor": "ServiceNow",
          "product": "ServiceNow AI Platform",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Australia",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Zurich Patch 5",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Zurich Patch 4 Hot Fix 3b",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Yokohama Patch 12",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Yokohama Patch 10 Hot Fix 1b",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "Xanadu Patch 11 Hot Fix 1a",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-02-25T21:16:36.147",
  "references": [
    {
      "url": "https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2693566",
      "source": "psirt@servicenow.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@servicenow.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-653"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ServiceNow has addressed a remote code execution vulnerability that was identified in the ServiceNow AI platform.  This vulnerability could enable an unauthenticated user, in certain circumstances, to execute code within the ServiceNow Sandbox.   \n\n\n\n\n\nServiceNow addressed this vulnerability by deploying a security update to hosted instances. Relevant security updates also have been provided to ServiceNow self-hosted customers and partners. Further, the vulnerability is addressed in the listed patches and hot fixes. While we are not currently aware of exploitation against customer instances, we recommend customers promptly apply appropriate updates or upgrade if they have not already done so."
    },
    {
      "lang": "es",
      "value": "ServiceNow ha abordado una vulnerabilidad de ejecución remota de código que fue identificada en la plataforma de IA de ServiceNow. Esta vulnerabilidad podría permitir a un usuario no autenticado, en ciertas circunstancias, ejecutar código dentro del sandbox de ServiceNow.\n\nServiceNow abordó esta vulnerabilidad desplegando una actualización de seguridad en las instancias alojadas. Las actualizaciones de seguridad relevantes también se han proporcionado a los clientes y socios de ServiceNow con autoalojamiento. Además, la vulnerabilidad se aborda en los parches y hot fixes listados. Si bien no tenemos conocimiento actual de explotación contra instancias de clientes, recomendamos a los clientes aplicar rápidamente las actualizaciones apropiadas o actualizar si aún no lo han hecho."
    }
  ],
  "lastModified": "2026-06-17T10:10:55.040",
  "sourceIdentifier": "psirt@servicenow.com"
}