Vulnerability-Lookup

CNVD-2021-47635

Vulnerability from cnvd - Published: 2021-07-06

Title

Machform远程代码执行漏洞

Description

MachForm是一个HTML表单构建器，可让您无需编写代码即可创建联系表单、调查表单、订单表单或任何其他Web表单。 Machform 16之前版本存在远程代码执行漏洞。该漏洞源于对通过upload.php与表单一起上传的文件附件的验证不足。攻击者可利用该漏洞实现远程代码执行。

Severity

中

Patch Name

Machform远程代码执行漏洞的补丁

Patch Description

MachForm是一个HTML表单构建器，可让您无需编写代码即可创建联系表单、调查表单、订单表单或任何其他Web表单。 Machform 16之前版本存在远程代码执行漏洞。该漏洞源于对通过upload.php与表单一起上传的文件附件的验证不足。攻击者可利用该漏洞实现远程代码执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.machform.com/blog-machform-16-released/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20104

Impacted products

Name
Machform Machform <16

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20104"
    }
  },
  "description": "MachForm\u662f\u4e00\u4e2aHTML\u8868\u5355\u6784\u5efa\u5668\uff0c\u53ef\u8ba9\u60a8\u65e0\u9700\u7f16\u5199\u4ee3\u7801\u5373\u53ef\u521b\u5efa\u8054\u7cfb\u8868\u5355\u3001\u8c03\u67e5\u8868\u5355\u3001\u8ba2\u5355\u8868\u5355\u6216\u4efb\u4f55\u5176\u4ed6Web\u8868\u5355\u3002\n\nMachform 16\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u901a\u8fc7upload.php\u4e0e\u8868\u5355\u4e00\u8d77\u4e0a\u4f20\u7684\u6587\u4ef6\u9644\u4ef6\u7684\u9a8c\u8bc1\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.machform.com/blog-machform-16-released/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-47635",
  "openTime": "2021-07-06",
  "patchDescription": "MachForm\u662f\u4e00\u4e2aHTML\u8868\u5355\u6784\u5efa\u5668\uff0c\u53ef\u8ba9\u60a8\u65e0\u9700\u7f16\u5199\u4ee3\u7801\u5373\u53ef\u521b\u5efa\u8054\u7cfb\u8868\u5355\u3001\u8c03\u67e5\u8868\u5355\u3001\u8ba2\u5355\u8868\u5355\u6216\u4efb\u4f55\u5176\u4ed6Web\u8868\u5355\u3002\r\n\r\nMachform 16\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u901a\u8fc7upload.php\u4e0e\u8868\u5355\u4e00\u8d77\u4e0a\u4f20\u7684\u6587\u4ef6\u9644\u4ef6\u7684\u9a8c\u8bc1\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Machform\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Machform Machform \u003c16"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20104",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-30",
  "title": "Machform\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-20104 (GCVE-0-2021-20104)

Vulnerability from cvelistv5 – Published: 2021-06-29 15:31 – Updated: 2024-08-03 17:30

Summary

Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php.

Severity

No CVSS data available.

CWE

Remote Code Execution

Assigner

tenable mitre root

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-202…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	AppNitro Machform	Affected: All versions prior to version 16

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:30:07.637Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2021-25%2Chttps://www.machform.com/blog-machform-16-released/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AppNitro Machform",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to version 16"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Remote Code Execution",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-29T15:31:01.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.tenable.com/security/research/tra-2021-25%2Chttps://www.machform.com/blog-machform-16-released/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnreport@tenable.com",
          "ID": "CVE-2021-20104",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "AppNitro Machform",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions prior to version 16"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
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        "data_format": "MITRE",
        "data_type": "CVE",
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        "description": {
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              "value": "Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php."
            }
          ]
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        "problemtype": {
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            {
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                {
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                  "value": "Remote Code Execution"
                }
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.tenable.com/security/research/tra-2021-25,https://www.machform.com/blog-machform-16-released/",
              "refsource": "MISC",
              "url": "https://www.tenable.com/security/research/tra-2021-25,https://www.machform.com/blog-machform-16-released/"
            }
          ]
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
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    "datePublished": "2021-06-29T15:31:01.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:30:07.637Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.