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CVE-2025-21187

Estado: AnalizadaAlta (7.8)—

Microsoft Power Automate Remote Code Execution Vulnerability

CVSS

Probabilidad de explotación (EPSS)

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.

AV:L + UI:R + CWE-94 (code injection) en Power Automate Desktop → ejecución de código en cliente tras interacción del usuario abriendo archivo preparado.

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

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Tecnologías afectadas (1)

Microsoft — Power Automate FOR Desktop

CWE

Referencias

JSON original (NVD)

Mostrar
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  "cveTags": [],
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        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-28T04:55:28.715702Z"
        }
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          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
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  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Power Automate for Desktop",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.0",
              "lessThan": "2.52.62.25009",
              "versionType": "custom"
            }
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        }
      ]
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  ],
  "published": "2025-01-14T18:15:31.187",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21187",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "value": "CWE-94"
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    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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  "descriptions": [
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      "lang": "en",
      "value": "Microsoft Power Automate Remote Code Execution Vulnerability"
    },
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      "lang": "es",
      "value": "Vulnerabilidad de ejecución remota de código en Microsoft Power Automate"
    }
  ],
  "lastModified": "2026-06-17T08:42:43.740",
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}