FKIE_CVE-2021-34580

Vulnerability from fkie_nvd - Published: 2021-10-27 11:15 - Updated: 2024-11-21 06:10
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.
References
info@cert.vde.comhttps://cert.vde.com/en/advisories/VDE-2021-037/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en/advisories/VDE-2021-037/Third Party Advisory
Impacted products
Vendor Product Version
mbconnectline mbconnect24 *
mbconnectline mymbconnect24 *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6FA138E-7298-488C-91CB-27A3AE49AA3C",
              "versionEndIncluding": "2.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6149BB15-4765-4412-A071-C7880A52E3B3",
              "versionEndIncluding": "2.9.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In mymbCONNECT24, mbCONNECT24 \u003c= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts."
    },
    {
      "lang": "es",
      "value": "En mymbCONNECT24, mbCONNECT24 versiones anteriores a 2.9.0 incluy\u00e9ndola, un usuario no autenticado puede enumerar los usuarios v\u00e1lidos del backend al comprobar qu\u00e9 tipo de respuesta env\u00eda el servidor para los intentos de inicio de sesi\u00f3n no v\u00e1lidos dise\u00f1ados"
    }
  ],
  "id": "CVE-2021-34580",
  "lastModified": "2024-11-21T06:10:44.700",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "info@cert.vde.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-27T11:15:07.553",
  "references": [
    {
      "source": "info@cert.vde.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cert.vde.com/en/advisories/VDE-2021-037/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cert.vde.com/en/advisories/VDE-2021-037/"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.