CVE-2023-32170

{
  "id": "CVE-2023-32170",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2023-32170",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
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          "version": "2.0.3",
          "timestamp": "2024-07-03T14:21:35.494739Z"
        }
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 2.8
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Unified Automation",
          "product": "UaGateway",
          "versions": [
            {
              "status": "affected",
              "version": "1.5.12.482"
            }
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            "cpe:2.3:a:unified-automation:uagateway:1.5.12.482:*:*:*:*:*:*:*"
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          "product": "uagateway",
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              "status": "affected",
              "version": "1.5.12.482"
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  "published": "2024-05-03T02:15:22.410",
  "references": [
    {
      "url": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt",
      "tags": [
        "Release Notes"
      ],
      "source": "zdi-disclosures@trendmicro.com"
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    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-775/",
      "tags": [
        "Third Party Advisory"
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      "source": "zdi-disclosures@trendmicro.com"
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    {
      "url": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "zdi-disclosures@trendmicro.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate.\n\nThe specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de denegación de servicio de validación de entrada incorrecta del servidor UaGateway OPC UA de Unified Automation. Esta vulnerabilidad permite a atacantes remotos crear una condición de denegación de servicio en las instalaciones afectadas de Unified Automation UaGateway. Se requiere la interacción del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe elegir aceptar un certificado de cliente. La falla específica existe en el procesamiento de certificados de clientes. El problema se debe a la falta de validación adecuada de los datos del certificado. Un atacante puede aprovechar esta vulnerabilidad para crear una condición de denegación de servicio en el sistema. Era ZDI-CAN-20494."
    }
  ],
  "lastModified": "2026-06-17T05:58:14.397",
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  "sourceIdentifier": "zdi-disclosures@trendmicro.com"
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