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CVE-2020-35557

Estado: ModificadaMedia (6.5)—

An issue in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 allows a logged in user to see devices in the account he should not have access to due to improper use of access validation.

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 (4)

Helmholz — Myrex24Helmholz — Myrex24.virtualMbconnectline — Mbconnect24Mbconnectline — Mymbconnect24

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-35557",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-16T16:15:13.050",
  "references": [
    {
      "url": "https://cert.vde.com/en/advisories/VDE-2021-003",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cert.vde.com/en/advisories/VDE-2022-039",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://mbconnectline.com/security-advice/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cert.vde.com/en/advisories/VDE-2021-003",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert.vde.com/en/advisories/VDE-2022-039",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://mbconnectline.com/security-advice/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 allows a logged in user to see devices in the account he should not have access to due to improper use of access validation."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en MB CONNECT LINE mymbCONNECT24, mbCONNECT24 y Helmholz myREX24 y myREX24.virtual en todas las versiones hasta la v2.11.2 permite a un usuario conectado ver dispositivos en la cuenta a la que no debería tener acceso debido al uso incorrecto de la validación de acceso"
    }
  ],
  "lastModified": "2026-06-17T03:13:54.953",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D55D697-78A4-44E3-B6B6-E5349C610148",
              "versionEndIncluding": "2.11.2"
            },
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              "criteria": "cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04561EEC-B011-46F8-8C56-E5546D0ECD6A",
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              "versionEndIncluding": "2.11.2"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "847B9BE1-D7E5-4B6B-A59D-282BB58A8B64",
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  "sourceIdentifier": "cve@mitre.org"
}