{
  "id": "CVE-2023-1617",
  "sourceIdentifier": "cybersecurity@ch.abb.com",
  "published": "2023-04-14T12:15:07.377",
  "lastModified": "2023-04-24T13:21:35.890",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules).\u00a0 This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication mechanism of the VC4 visualization on affected devices. The impact of this vulnerability depends on the functionality provided in the visualization.\nThis issue affects B&R VC4: from 3.* through 3.96.7, from 4.0* through 4.06.7, from 4.1* through 4.16.3, from 4.2* through 4.26.8, from 4.3* through 4.34.6, from 4.4* through 4.45.1, from 4.5* through 4.45.3, from 4.7* through 4.72.9.\n\n"
    }
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9
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          "value": "CWE-287"
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  "references": [
    {
      "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1681046878970-en-original-1.0.pdf",
      "source": "cybersecurity@ch.abb.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}