Vulnerability-Lookup

CNVD-2021-36593

Vulnerability from cnvd - Published: 2021-05-24

Title

FusionPBX路径遍历漏洞（CNVD-2021-36593）

Description

FusionPBX是一套可扩展、多线程的通信平台。该平台可作为呼叫中心服务器、传真服务器、voip服务器、语音邮件服务器、会议服务器和语音应用服务器等。 FusionPBX 4.5.7 存在路径遍历漏洞，该漏允许远程恶意用户可以通过appeditfoldernew.php创建文件夹。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

FusionPBX路径遍历漏洞（CNVD-2021-36593）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa

Reference

https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/

Impacted products

Name
FusionPBX FusionPBX 4.5.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-21056"
    }
  },
  "description": "FusionPBX\u662f\u4e00\u5957\u53ef\u6269\u5c55\u3001\u591a\u7ebf\u7a0b\u7684\u901a\u4fe1\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u53ef\u4f5c\u4e3a\u547c\u53eb\u4e2d\u5fc3\u670d\u52a1\u5668\u3001\u4f20\u771f\u670d\u52a1\u5668\u3001voip\u670d\u52a1\u5668\u3001\u8bed\u97f3\u90ae\u4ef6\u670d\u52a1\u5668\u3001\u4f1a\u8bae\u670d\u52a1\u5668\u548c\u8bed\u97f3\u5e94\u7528\u670d\u52a1\u5668\u7b49\u3002\n\nFusionPBX 4.5.7 \u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u5141\u8bb8\u8fdc\u7a0b\u6076\u610f\u7528\u6237\u53ef\u4ee5\u901a\u8fc7appeditfoldernew.php\u521b\u5efa\u6587\u4ef6\u5939\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36593",
  "openTime": "2021-05-24",
  "patchDescription": "FusionPBX\u662f\u4e00\u5957\u53ef\u6269\u5c55\u3001\u591a\u7ebf\u7a0b\u7684\u901a\u4fe1\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u53ef\u4f5c\u4e3a\u547c\u53eb\u4e2d\u5fc3\u670d\u52a1\u5668\u3001\u4f20\u771f\u670d\u52a1\u5668\u3001voip\u670d\u52a1\u5668\u3001\u8bed\u97f3\u90ae\u4ef6\u670d\u52a1\u5668\u3001\u4f1a\u8bae\u670d\u52a1\u5668\u548c\u8bed\u97f3\u5e94\u7528\u670d\u52a1\u5668\u7b49\u3002\r\n\r\nFusionPBX 4.5.7 \u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u5141\u8bb8\u8fdc\u7a0b\u6076\u610f\u7528\u6237\u53ef\u4ee5\u901a\u8fc7appeditfoldernew.php\u521b\u5efa\u6587\u4ef6\u5939\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "FusionPBX\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff08CNVD-2021-36593\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FusionPBX FusionPBX 4.5.7"
  },
  "referenceLink": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-21",
  "title": "FusionPBX\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff08CNVD-2021-36593\uff09"
}

CVE-2020-21056 (GCVE-0-2020-21056)

Vulnerability from cvelistv5 – Published: 2021-05-20 15:46 – Updated: 2024-08-04 14:22

Summary

Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\edit\foldernew.php.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2260 records in the last 180 days details

References

2 references

URL	Tags
https://resp3ctblog.wordpress.com/2019/10/28/fusi…	x_refsource_MISC
https://github.com/fusionpbx/fusionpbx/commit/cad…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:22:25.464Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\\edit\\foldernew.php."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-20T15:46:10.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-21056",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\\edit\\foldernew.php."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/",
              "refsource": "MISC",
              "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/"
            },
            {
              "name": "https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa",
              "refsource": "MISC",
              "url": "https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-21056",
    "datePublished": "2021-05-20T15:46:10.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-08-04T14:22:25.464Z",
    "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.

Vulnerability timeline

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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.

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