CVE-2026-3893

{
  "id": "CVE-2026-3893",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-28T19:37:39.647",
  "lastModified": "2026-10-26T20:10:00.160",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials."
    },
    {
      "lang": "es",
      "value": "El receptor GNSS Carlson VASCO-B carece de un mecanismo de autenticación, lo que permite a un atacante con acceso a la red acceder y modificar directamente su configuración y funciones operativas sin necesidad de credenciales."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Carlson Software",
          "product": "VASCO-B GNSS Receiver",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.4.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "1.4.0",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
          "baseScore": 9.4,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-29T13:39:45.800186Z",
          "id": "CVE-2026-3893",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-02.json",
      "source": "[email protected]"
    },
    {
      "url": "https://www.carlsonsw.com/support-and-training/",
      "source": "[email protected]"
    },
    {
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-3893",
      "source": "[email protected]"
    }
  ]
}