Vulnerability-Lookup

CNVD-2021-02627

Vulnerability from cnvd - Published: 2021-01-13

Title

Mercusys Mercury X18G路径遍历漏洞

Description

Mercusys Mercury X18G是中国Mercusys公司的一款路由器。 MERCUSYS Mercury X18G 1.0.5版本存在路径遍历漏洞，该漏洞源于未能正确地过滤资源或文件路径中的特殊元素。攻击者通过../到UPnP服务器进行目录遍历。

Severity

中

Patch Name

Mercusys Mercury X18G路径遍历漏洞的补丁

Patch Description

Mercusys Mercury X18G是中国Mercusys公司的一款路由器。 MERCUSYS Mercury X18G 1.0.5版本存在路径遍历漏洞，该漏洞源于未能正确地过滤资源或文件路径中的特殊元素。攻击者通过../到UPnP服务器进行目录遍历。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.mercurycom.com.cn/product-521-1.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-23242

Impacted products

Name
Mercusys Mercury X18G 1.0.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23242",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-23242"
    }
  },
  "description": "Mercusys Mercury X18G\u662f\u4e2d\u56fdMercusys\u516c\u53f8\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\n\nMERCUSYS Mercury X18G 1.0.5\u7248\u672c\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4\u8d44\u6e90\u6216\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\u3002\u653b\u51fb\u8005\u901a\u8fc7../\u5230UPnP\u670d\u52a1\u5668\u8fdb\u884c\u76ee\u5f55\u904d\u5386\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.mercurycom.com.cn/product-521-1.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-02627",
  "openTime": "2021-01-13",
  "patchDescription": "Mercusys Mercury X18G\u662f\u4e2d\u56fdMercusys\u516c\u53f8\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\r\n\r\nMERCUSYS Mercury X18G 1.0.5\u7248\u672c\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4\u8d44\u6e90\u6216\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\u3002\u653b\u51fb\u8005\u901a\u8fc7../\u5230UPnP\u670d\u52a1\u5668\u8fdb\u884c\u76ee\u5f55\u904d\u5386\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": "Mercusys Mercury X18G\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mercusys Mercury X18G 1.0.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-23242",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-09",
  "title": "Mercusys Mercury X18G\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}

CVE-2021-23242 (GCVE-0-2021-23242)

Vulnerability from cvelistv5 – Published: 2021-01-07 20:19 – Updated: 2024-08-03 19:05

Summary

MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.mercusys.com/en/	x_refsource_MISC
https://www.mercurycom.com.cn/product-521-1.html	x_refsource_MISC
https://github.com/BATTZION/MY_REQUEST/blob/maste…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:05:54.553Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mercusys.com/en/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mercurycom.com.cn/product-521-1.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-07T20:19:22.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mercusys.com/en/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mercurycom.com.cn/product-521-1.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-23242",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
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        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
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            }
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                  "lang": "eng",
                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
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              "name": "https://www.mercusys.com/en/",
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            {
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              "refsource": "MISC",
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            },
            {
              "name": "https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md",
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            }
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        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-01-07T20:19:22.000Z",
    "dateReserved": "2021-01-07T00:00:00.000Z",
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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.