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CVE-2021-34594

Estado: ModificadaMedia (6.5)—

TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Beckhoff — Tf6100 FirmwareBeckhoff — Ts6100 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-34594",
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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:L/Au:S/C:N/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
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          "availabilityImpact": "COMPLETE",
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          "userInteraction": "NONE",
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  "published": "2021-11-04T10:15:07.833",
  "references": [
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      "url": "https://cert.vde.com/en/advisories/VDE-2021-051/",
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-23"
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    },
    {
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      "value": "TwinCAT OPC UA Server en TF6100 y TS6100 en versiones del producto anteriores a 4.3.48.0 o con versiones de TcOpcUaServer anteriores a 3.2.0.194, son propensos a un salto de ruta relativo que permite a administradores crear o eliminar cualquier archivo en el sistema"
    }
  ],
  "lastModified": "2026-06-17T03:56:12.117",
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