{
  "id": "CVE-2021-32994",
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "published": "2022-04-04T20:15:09.260",
  "lastModified": "2024-11-21T06:08:05.220",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations."
    },
    {
      "lang": "es",
      "value": "Softing OPC UA C++ SDK (Software Development Kit) versiones desde 5.59 hasta 5.64, exportan funciones de biblioteca que no comprueban apropiadamente los objetos de extensi\u00f3n recibidos, lo que puede permitir a un atacante bloquear el software mediante el env\u00edo de una variedad de paquetes especialmente dise\u00f1ados para acceder a varias ubicaciones de memoria no esperadas"
    }
  ],
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
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        "type": "Primary",
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          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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        "exploitabilityScore": 3.9,
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    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
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        "cvssData": {
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          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "weaknesses": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
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      "nodes": [
        {
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          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:softing:opc_ua_c\\+\\+_software_development_kit:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.59.0",
              "versionEndExcluding": "5.65.0",
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  "references": [
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02",
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
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    },
    {
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}