Vulnerability-Lookup

CNVD-2021-68760

Vulnerability from cnvd - Published: 2021-09-07

Title

ExponentCMS存在未明漏洞

Description

ExponentCMS是开源的一个网站内容管理系统，它允许网站所有者轻松创建和管理动态网站，而无需直接对网页进行编码或管理网站导航。 ExponentCMS 2.6及之前版本存在安全漏洞，该漏洞源于修改后的HTTP标头可以将网页上的链接更改为任意值，攻击者可利用该漏洞导致MITM的攻击向量。

Severity

中

Patch Name

ExponentCMS存在未明漏洞的补丁

Patch Description

ExponentCMS是开源的一个网站内容管理系统，它允许网站所有者轻松创建和管理动态网站，而无需直接对网页进行编码或管理网站导航。 ExponentCMS 2.6及之前版本存在安全漏洞，该漏洞源于修改后的HTTP标头可以将网页上的链接更改为任意值，攻击者可利用该漏洞导致MITM的攻击向量。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

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://github.com/exponentcms。

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-38751

Impacted products

Name
ExponentCMS ExponentCMS <=2.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38751"
    }
  },
  "description": "ExponentCMS\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u7f51\u7ad9\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u5141\u8bb8\u7f51\u7ad9\u6240\u6709\u8005\u8f7b\u677e\u521b\u5efa\u548c\u7ba1\u7406\u52a8\u6001\u7f51\u7ad9\uff0c\u800c\u65e0\u9700\u76f4\u63a5\u5bf9\u7f51\u9875\u8fdb\u884c\u7f16\u7801\u6216\u7ba1\u7406\u7f51\u7ad9\u5bfc\u822a\u3002\n\nExponentCMS 2.6\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4fee\u6539\u540e\u7684HTTP\u6807\u5934\u53ef\u4ee5\u5c06\u7f51\u9875\u4e0a\u7684\u94fe\u63a5\u66f4\u6539\u4e3a\u4efb\u610f\u503c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4MITM\u7684\u653b\u51fb\u5411\u91cf\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/exponentcms\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-68760",
  "openTime": "2021-09-07",
  "patchDescription": "ExponentCMS\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u7f51\u7ad9\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u5141\u8bb8\u7f51\u7ad9\u6240\u6709\u8005\u8f7b\u677e\u521b\u5efa\u548c\u7ba1\u7406\u52a8\u6001\u7f51\u7ad9\uff0c\u800c\u65e0\u9700\u76f4\u63a5\u5bf9\u7f51\u9875\u8fdb\u884c\u7f16\u7801\u6216\u7ba1\u7406\u7f51\u7ad9\u5bfc\u822a\u3002\r\n\r\nExponentCMS 2.6\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4fee\u6539\u540e\u7684HTTP\u6807\u5934\u53ef\u4ee5\u5c06\u7f51\u9875\u4e0a\u7684\u94fe\u63a5\u66f4\u6539\u4e3a\u4efb\u610f\u503c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4MITM\u7684\u653b\u51fb\u5411\u91cf\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": "ExponentCMS\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "ExponentCMS ExponentCMS \u003c=2.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-38751",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-18",
  "title": "ExponentCMS\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-38751 (GCVE-0-2021-38751)

Vulnerability from cvelistv5 – Published: 2021-08-16 13:53 – Updated: 2024-08-04 01:51

Summary

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/exponentcms/exponent-cms/issues/1544

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:51:20.357Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/exponentcms/exponent-cms/issues/1544"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-16T13:53:19",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/exponentcms/exponent-cms/issues/1544"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-38751",
          "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": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/exponentcms/exponent-cms/issues/1544",
              "refsource": "MISC",
              "url": "https://github.com/exponentcms/exponent-cms/issues/1544"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-38751",
    "datePublished": "2021-08-16T13:53:19",
    "dateReserved": "2021-08-16T00:00:00",
    "dateUpdated": "2024-08-04T01:51:20.357Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-68760

CVE-2021-38751 (GCVE-0-2021-38751)

Tags

Sightings

Nomenclature