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CVE-2020-4089

Estado: ModificadaMedia (6.5)—

HCL Notes is vulnerable to an information leakage vulnerability through its support for the 'mailto' protocol. This vulnerability could result in files from the user's filesystem or connected network filesystems being leaked to a third party. All versions of HCL Notes 9, 10 and 11 are affected.

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)

Hcltech — Notes

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-4089",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "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:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@hcl.com",
      "affectedData": [
        {
          "vendor": "HCL",
          "product": "HCL Notes",
          "versions": [
            {
              "status": "affected",
              "version": "All versions of HCL Notes v9"
            },
            {
              "status": "affected",
              "version": "All versions of HCL Notes v10"
            },
            {
              "status": "affected",
              "version": "All versions of HCL Notes v11"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-06-26T23:15:11.253",
  "references": [
    {
      "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0080343",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@hcl.com"
    },
    {
      "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0080343",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "HCL Notes is vulnerable to an information leakage vulnerability through its support for the 'mailto' protocol. This vulnerability could result in files from the user's filesystem or connected network filesystems being leaked to a third party. All versions of HCL Notes 9, 10 and 11 are affected."
    },
    {
      "lang": "es",
      "value": "HCL Notes es susceptible a una vulnerabilidad de filtrado de información por medio de su soporte para el protocolo \"mailto\". Esta vulnerabilidad podría resultar que los archivos desde el sistema de archivos de usuario o el sistema de archivos de red conectados sean filtrados hacia un tercero. Todas las versiones de HCL Notes 9, 10 y 11 están afectadas"
    }
  ],
  "lastModified": "2026-06-17T03:19:32.627",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hcltech:notes:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "19015D39-9117-4A6E-BCD7-0951CB185399"
            },
            {
              "criteria": "cpe:2.3:a:hcltech:notes:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B3C46D23-F52D-46D7-973B-FEF916ECD181"
            },
            {
              "criteria": "cpe:2.3:a:hcltech:notes:11.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "06AD0ACF-704C-4BBE-9059-1A1E9008D7A4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@hcl.com"
}