fkie_cve-2021-42911
Vulnerability from fkie_nvd
Published
2022-03-29 20:15
Modified
2024-11-21 06:28
Severity ?
Summary
A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code.



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9BCD9E78-DD12-42C5-99FA-D57C81D74C87",
              "versionEndIncluding": "1.5.1.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
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              "matchCriteriaId": "8FDA3905-67DD-4F31-AFCF-014F1D7CCC1F",
              "vulnerable": false
            }
          ],
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        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "51AB880F-1468-4105-ABAC-2E01653C0801",
              "versionEndIncluding": "1.5.1.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "FEECFBBC-5551-4135-9194-4216A39B04B9",
              "vulnerable": false
            }
          ],
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          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "08DBBB7D-FB59-4435-B388-D6F6D3BBA73C",
              "versionEndIncluding": "1.5.1.3",
              "vulnerable": true
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          "operator": "OR"
        },
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          "negate": false,
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        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Format String vulnerability exists in DrayTek Vigor 2960 \u003c= 1.5.1.3, DrayTek Vigor 3900 \u003c= 1.5.1.3, and DrayTek Vigor 300B \u003c= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de cadena de formato en DrayTek Vigor 2960 versiones anteriores a 1.5.1.3 incluy\u00e9ndola, DrayTek Vigor 3900 versiones anteriores a 1.5.1.3 incluy\u00e9ndola, y DrayTek Vigor 300B versiones anteriores a 1.5.1.3 incluy\u00e9ndola, en el archivo mainfunction.cgi por medio de un mensaje HTTP dise\u00f1ado que contiene una cadena de consulta malformada, lo que podr\u00eda permitir a un usuario remoto malicioso ejecutar c\u00f3digo arbitrario"
    }
  ],
  "id": "CVE-2021-42911",
  "lastModified": "2024-11-21T06:28:17.733",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "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": "2022-03-29T20:15:07.690",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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