FKIE_CVE-2021-27170

Vulnerability from fkie_nvd - Published: 2021-02-10 19:15 - Updated: 2024-11-21 05:57
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered on FiberHome HG6245D devices through RP2613. By default, there are no firewall rules for IPv6 connectivity, exposing the internal management interfaces to the Internet.
References
cve@mitre.orghttps://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#insecure-ipv6Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#insecure-ipv6Exploit, Third Party Advisory
Impacted products
Vendor Product Version
fiberhome hg6245d_firmware *
fiberhome hg6245d -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fiberhome:hg6245d_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "584691EE-5328-499D-92DE-F79505905C9C",
              "versionEndIncluding": "rp2613",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fiberhome:hg6245d:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "26C22EE9-62CD-4111-AD9E-84748BD774FC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on FiberHome HG6245D devices through RP2613. By default, there are no firewall rules for IPv6 connectivity, exposing the internal management interfaces to the Internet."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en los dispositivos FiberHome HG6245D versiones hasta RP2613.\u0026#xa0;Por defecto, no se presentan reglas de firewall para la conectividad IPv6, exponiendo las interfaces de administraci\u00f3n interna hacia la Internet"
    }
  ],
  "id": "CVE-2021-27170",
  "lastModified": "2024-11-21T05:57:28.113",
  "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": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-10T19:15:14.950",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#insecure-ipv6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#insecure-ipv6"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-922"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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