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CVE-2025-40937

Full vulnerability record from the local CVENow database.

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments. This could allow an authenticated attacker to execute arbitrary code with limited privileges.

Severity
HIGH
CVSS score
8.7 (v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2025-12-09 16:17:47.260000
Last modified
2026-10-23 22:10:00.160000
View original CVE JSON
{
  "id": "CVE-2025-40937",
  "sourceIdentifier": "[email protected]",
  "published": "2025-12-09T16:17:47.260",
  "lastModified": "2026-10-23T22:10:00.160",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\r\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido identificada en SIMATIC CN 4100 (Todas las versiones anteriores a V4.0.1). La aplicación afectada no valida correctamente los parámetros de entrada en su API REST, lo que resulta en un manejo inadecuado de argumentos inesperados. Esto podría permitir a un atacante autenticado ejecutar código arbitrario con privilegios limitados."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "SIMATIC CN 4100",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "lessThan": "V4.0.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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        "type": "Secondary",
        "cvssData": {
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          "baseScore": 8.7,
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          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
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    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-12-09T15:30:10.583434Z",
          "id": "CVE-2025-40937",
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            },
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            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
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      }
    ]
  },
  "weaknesses": [
    {
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      "type": "Secondary",
      "description": [
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          "lang": "en",
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      ]
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  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-416652.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
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}