Vulnerability-Lookup

CNVD-2021-36591

Vulnerability from cnvd - Published: 2021-05-24

Title

FusionPBX跨站脚本漏洞（CNVD-2021-36591）

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 存在安全漏洞，该漏洞允许远程恶意用户通过appvarsvars textarea.php中的未经过处理的\"f\"变量注入任意web脚本或HTML。目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/fusionpbx/fusionpbx

Reference

https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415

Impacted products

Name
FusionPBX FusionPBX 4.5.7

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-21054"
    }
  },
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u8fdc\u7a0b\u6076\u610f\u7528\u6237\u901a\u8fc7appvarsvars textarea.php\u4e2d\u7684\u672a\u7ecf\u8fc7\u5904\u7406\u7684\\\"f\\\"\u53d8\u91cf\u6ce8\u5165\u4efb\u610fweb\u811a\u672c\u6216HTML\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/fusionpbx/fusionpbx",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36591",
  "openTime": "2021-05-24",
  "products": {
    "product": "FusionPBX FusionPBX 4.5.7"
  },
  "referenceLink": "https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-21",
  "title": "FusionPBX\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-36591\uff09"
}

CVE-2020-21054 (GCVE-0-2020-21054)

Vulnerability from cvelistv5 – Published: 2021-05-20 15:31 – Updated: 2024-08-04 14:22

Summary

Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "f" variable in app\vars\vars_textarea.php.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://resp3ctblog.wordpress.com/2019/10/28/fusi…	x_refsource_MISC
https://github.com/fusionpbx/fusionpbx/commit/248…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:22:25.476Z",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/"
          },
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415"
          }
        ],
        "title": "CVE Program Container"
      }
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          "vendor": "n/a",
          "versions": [
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              "status": "affected",
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      ],
      "descriptions": [
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          "lang": "en",
          "value": "Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized \"f\" variable in app\\vars\\vars_textarea.php."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-20T15:31:43.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-21054",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                      }
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        "problemtype": {
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                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/",
              "refsource": "MISC",
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            },
            {
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  "cveMetadata": {
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    "dateReserved": "2020-08-13T00:00:00.000Z",
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  },
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}

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.