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CVE-2021-43483

Estado: ModificadaAlta (8)—

An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication.

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 (1)

Claro — Kaon Cg3000 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-43483",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.2,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
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          "baseScore": 8,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.1
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  "published": "2022-04-08T16:15:08.160",
  "references": [
    {
      "url": "https://alexandrevvo.medium.com/improper-access-control-no-control-at-all-in-kaon-cg3000-router-c225d2434ec1",
      "tags": [
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        "Third Party Advisory"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
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      "lang": "en",
      "value": "An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication."
    },
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      "lang": "es",
      "value": "Se presenta una vulnerabilidad de control de acceso en CLARO KAON CG3000 versión 1.00.67, en la configuración del router, que podría permitir a un usuario malicioso leer o actualizar la configuración sin autenticación"
    }
  ],
  "lastModified": "2026-06-17T04:11:01.807",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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