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CVE-2025-59689

Estado: AnalizadaMedia (6.1)⚠ Explotación activa

Libraesva ESG 4.5 through 5.5.x before 5.5.7 allows command injection via a compressed e-mail attachment. For ESG 5.0 a fix has been released in 5.0.31. For ESG 5.1 a fix has been released in 5.1.20. For ESG 5.2 a fix has been released in 5.2.31. For ESG 5.4 a fix has been released in 5.4.8. For ESG 5.5. a fix has been released in 5.5.7.

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).

CISA KEV — explotada activamente

🎯 Técnicas ATT&CK

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

Vulnerabilidad de inyección de comandos (CWE-77) en adjunto comprimido de correo requiere interacción del usuario (UI:R). Se exploita vía cliente de correo/gateway (T1203), permitiendo ejecución remota de comandos (T1059).

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)

Libraesva — Email Security Gateway

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-59689",
  "cveTags": [],
  "metrics": {
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          "options": [
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            },
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            },
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            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-09-27T03:55:23.945154Z"
        }
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          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.8
      }
    ]
  },
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    }
  ],
  "lastModified": "2026-06-17T09:46:31.727",
  "cisaActionDue": "2025-10-20",
  "cisaExploitAdd": "2025-09-29",
  "configurations": [
    {
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  "sourceIdentifier": "cve@mitre.org",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Libraesva Email Security Gateway Command Injection Vulnerability"
}