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CVE-2021-34417

Estado: ModificadaAlta (7.2)—

The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR before version 4.6.365.20210703, Zoom On-Premise Recording Connector before version 3.8.45.20210703, Zoom On-Premise Virtual Room Connector before version 4.4.6868.20210703, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5496.20210703 fails to validate input sent in requests to set the network proxy password. This could lead to remote command injection by a web portal administrator.

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 (5)

Zoom — Zoom On-premise Meeting Connector ControllerZoom — Zoom On-premise Meeting Connector MMRZoom — Zoom On-premise Recording ConnectorZoom — Zoom On-premise Virtual Room ConnectorZoom — Zoom On-premise Virtual Room Connector Load Balancer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-34417",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@zoom.us",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.9,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@zoom.us",
      "affectedData": [
        {
          "vendor": "Zoom Video Communications Inc",
          "product": "Zoom On-Premise Meeting Connector Controller",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "4.6.365.20210703",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Zoom Video Communications Inc",
          "product": "Zoom On-Premise Meeting Connector MMR",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "4.6.365.20210703",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Zoom Video Communications Inc",
          "product": "Zoom On-Premise Recording Connector",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.8.45.20210703",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Zoom Video Communications Inc",
          "product": "Zoom On-Premise Virtual Room Connector",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "4.4.6868.20210703",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Zoom Video Communications Inc",
          "product": "Zoom On-Premise Virtual Room Connector Load Balancer",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.5.5496.20210703",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-11T23:15:09.283",
  "references": [
    {
      "url": "https://explore.zoom.us/en/trust/security/security-bulletin",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@zoom.us"
    },
    {
      "url": "https://explore.zoom.us/en/trust/security/security-bulletin",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR before version 4.6.365.20210703, Zoom On-Premise Recording Connector before version 3.8.45.20210703, Zoom On-Premise Virtual Room Connector before version 4.4.6868.20210703, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5496.20210703 fails to validate input sent in requests to set the network proxy password. This could lead to remote command injection by a web portal administrator."
    },
    {
      "lang": "es",
      "value": "La página del proxy de red en el portal web para Zoom On-Premise Meeting Connector Controller versiones anteriores a 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR versiones anteriores a 4.6.365.20210703, Zoom On-Premise Recording Connector versiones anteriores a 3. 8.45.20210703, Zoom On-Premise Virtual Room Connector versiones anteriores a 4.4.6868.20210703, y Zoom On-Premise Virtual Room Connector Load Balancer versiones anteriores a 2.5.5496.20210703, no comprueba la entrada enviada en las peticiones para establecer la contraseña del proxy de red. Esto podría conllevar la inyección de comandos remotos por parte de un administrador del portal web"
    }
  ],
  "lastModified": "2026-06-17T03:55:49.013",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "01E96A76-DD63-4E1D-BF42-5BB2D2BFBF95",
              "versionEndExcluding": "4.6.365.20210703"
            },
            {
              "criteria": "cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9FA22472-FB7E-4C51-AEE4-83B55C454D2A",
              "versionEndExcluding": "4.6.365.20210703"
            },
            {
              "criteria": "cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "421B1DCD-D7E6-4AB7-A1A5-47E9C1A11616",
              "versionEndExcluding": "3.8.45.20210703"
            },
            {
              "criteria": "cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "655C0A28-7B6C-406E-90E6-7FB70AE18A22",
              "versionEndExcluding": "4.4.6868.20210703"
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            {
              "criteria": "cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "5237F4C4-A633-4C27-8691-BCDBE181BB4C",
              "versionEndExcluding": "2.5.5496.20210703"
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          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@zoom.us"
}