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CVE-2021-45035

Estado: ModificadaMedia (5.9)—

Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user´s credentials.

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)

Velneo — Vclient

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-45035",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2021-45035",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-05-22T15:44:57.452184Z"
        }
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          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 4.2,
        "exploitabilityScore": 2.1
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "integrityImpact": "NONE",
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          "vendor": "Velneo",
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  "published": "2022-09-23T16:15:10.380",
  "references": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "cve-coordination@incibe.es",
      "description": [
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          "lang": "en",
          "value": "CWE-287"
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    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-295"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user´s credentials."
    },
    {
      "lang": "es",
      "value": "Velneo vClient en versión 28.1.3, no comprueba correctamente el certificado de autenticidad por defecto. Esto podría permitir a un atacante que tenga acceso a la red llevar a cabo un ataque de tipo MITM para obtener las credenciales del usuario."
    }
  ],
  "lastModified": "2026-06-17T04:13:04.550",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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}