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CVE-2018-4852

Estado: ModificadaCrítica (9.8)—

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could potentially circumvent the authentication mechanism if he/she is able to obtain certain knowledge specific to the attacked device.

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)

Siemens — Siclock Tc100 FirmwareSiemens — Siclock Tc400 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2018-4852",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens AG",
          "product": "SICLOCK TC100, SICLOCK TC400",
          "versions": [
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              "status": "affected",
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            {
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  "published": "2018-07-03T14:29:00.290",
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      "url": "http://www.securityfocus.com/bid/104672",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "productcert@siemens.com"
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    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf",
      "tags": [
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      "source": "productcert@siemens.com"
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    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could potentially circumvent the authentication mechanism if he/she is able to obtain certain knowledge specific to the attacked device."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SICLOCK TC100 (todas las versiones) y SICLOCK TC400 (todas las versiones). Un atacante con acceso de red al dispositivo podría omitir el mecanismo de autenticación si dicho atacante puede obtener información específica del dispositivo atacado."
    }
  ],
  "lastModified": "2026-06-17T01:59:10.313",
  "configurations": [
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