FKIE_CVE-2020-11447

Vulnerability from fkie_nvd - Published: 2023-11-17 12:15 - Updated: 2026-06-17 02:50
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
An issue was discovered on Bell HomeHub 3000 SG48222070 devices. Remote authenticated users can retrieve the serial number via cgi/json-req - this is an information leak because the serial number is intended to prove an actor's physical access to the device.
References
cve@mitre.orghttps://0xem.ma/posts/HH3K-CVE/Exploit
cve@mitre.orghttps://support.bell.ca/Internet/Connection-help/Access_control_in_the_Home_Hub_modemsProduct
af854a3a-2127-422b-91ae-364da2661108https://0xem.ma/posts/HH3K-CVE/Exploit
af854a3a-2127-422b-91ae-364da2661108https://support.bell.ca/Internet/Connection-help/Access_control_in_the_Home_Hub_modemsProduct
Impacted products
Vendor Product Version
bell home_hub_3000_firmware sg48222070
bell home_hub_3000 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:bell:home_hub_3000_firmware:sg48222070:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "home_hub_3000_firmware",
          "vendor": "bell",
          "versions": [
            {
              "status": "affected",
              "version": "sg_48222070"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:bell:home_hub_3000_firmware:sg48222070:*:*:*:*:*:*:*",
              "matchCriteriaId": "B681B30E-89C3-42FC-A379-2E032E66EC89",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:bell:home_hub_3000:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "027D1242-2900-489B-A980-55C906957EFA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on Bell HomeHub 3000 SG48222070 devices. Remote authenticated users can retrieve the serial number via cgi/json-req - this is an information leak because the serial number is intended to prove an actor\u0027s physical access to the device."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en los dispositivos Bell HomeHub 3000 SG48222070. Los usuarios autenticados remotamente pueden recuperar el n\u00famero de serie a trav\u00e9s de cgi/json-req; esto es una filtraci\u00f3n de informaci\u00f3n porque el n\u00famero de serie pretende demostrar el acceso f\u00edsico de un actor al dispositivo."
    }
  ],
  "id": "CVE-2020-11447",
  "lastModified": "2026-06-17T02:50:11.710",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-11447",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-01-10T20:54:41.123961Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-11-17T12:15:06.967",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "https://0xem.ma/posts/HH3K-CVE/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://support.bell.ca/Internet/Connection-help/Access_control_in_the_Home_Hub_modems"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "https://0xem.ma/posts/HH3K-CVE/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://support.bell.ca/Internet/Connection-help/Access_control_in_the_Home_Hub_modems"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.