{
  "id": "CVE-2021-42027",
  "sourceIdentifier": "productcert@siemens.com",
  "published": "2021-12-14T12:15:10.037",
  "lastModified": "2021-12-20T19:49:34.187",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SINUMERIK Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SINUMERIK Edge (Todas las versiones anteriores a V3.2). El software afectado no comprueba correctamente el certificado del servidor al iniciar una conexi\u00f3n TLS. Esto podr\u00eda permitir a un atacante falsificar una entidad confiable al interferir en la ruta de comunicaci\u00f3n entre el cliente y el servidor previsto"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "productcert@siemens.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:siemens:sinumerik_edge:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.2",
              "matchCriteriaId": "11068F9D-34DC-443B-BFC2-DD32E94C55E4"
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  ],
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf",
      "source": "productcert@siemens.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}