Vulnerability-Lookup

CNVD-2021-05083

Vulnerability from cnvd - Published: 2021-01-21

Title

Mubu授权问题漏洞

Description

Mubu是中国北京坤豆（Mubu）公司的一个用于在线写作的平台。 Mubu 2.2.1版本中存在授权问题漏洞，该漏洞源于其未对用户权限做严格限制，本地攻击者可利用该漏洞执行系统命令。

Severity

中

Patch Name

Mubu授权问题漏洞的补丁

Patch Description

Mubu是中国北京坤豆（Mubu）公司的一个用于在线写作的平台。 Mubu 2.2.1版本中存在授权问题漏洞，该漏洞源于其未对用户权限做严格限制，本地攻击者可利用该漏洞执行系统命令。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： http://mubu.com/doc/d5501245199

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3134

Impacted products

Name
mubu mubu 2.2.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3134",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3134"
    }
  },
  "description": "Mubu\u662f\u4e2d\u56fd\u5317\u4eac\u5764\u8c46\uff08Mubu\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5728\u7ebf\u5199\u4f5c\u7684\u5e73\u53f0\u3002\n\nMubu 2.2.1\u7248\u672c\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176\u672a\u5bf9\u7528\u6237\u6743\u9650\u505a\u4e25\u683c\u9650\u5236\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://mubu.com/doc/d5501245199",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-05083",
  "openTime": "2021-01-21",
  "patchDescription": "Mubu\u662f\u4e2d\u56fd\u5317\u4eac\u5764\u8c46\uff08Mubu\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5728\u7ebf\u5199\u4f5c\u7684\u5e73\u53f0\u3002\r\n\r\nMubu 2.2.1\u7248\u672c\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176\u672a\u5bf9\u7528\u6237\u6743\u9650\u505a\u4e25\u683c\u9650\u5236\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\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": "Mubu\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "mubu mubu 2.2.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3134",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-14",
  "title": "Mubu\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-3134 (GCVE-0-2021-3134)

Vulnerability from cvelistv5 – Published: 2021-01-12 19:05 – Updated: 2024-08-03 16:45

Summary

Mubu 2.2.1 allows local users to gain privileges to execute commands, aka CNVD-2020-68878.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.cnvd.org.cn/flaw/show/2638444	x_refsource_MISC
http://mubu.com/doc/d5501245199	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:45:51.257Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          {
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              "x_transferred"
            ],
            "url": "https://www.cnvd.org.cn/flaw/show/2638444"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://mubu.com/doc/d5501245199"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Mubu 2.2.1 allows local users to gain privileges to execute commands, aka CNVD-2020-68878."
        }
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-12T19:05:47.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.cnvd.org.cn/flaw/show/2638444"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://mubu.com/doc/d5501245199"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-3134",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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        "data_type": "CVE",
        "data_version": "4.0",
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            }
          ]
        },
        "problemtype": {
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                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
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              "name": "https://www.cnvd.org.cn/flaw/show/2638444",
              "refsource": "MISC",
              "url": "https://www.cnvd.org.cn/flaw/show/2638444"
            },
            {
              "name": "http://mubu.com/doc/d5501245199",
              "refsource": "MISC",
              "url": "http://mubu.com/doc/d5501245199"
            }
          ]
        }
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-01-12T19:05:47.000Z",
    "dateReserved": "2021-01-12T00:00:00.000Z",
    "dateUpdated": "2024-08-03T16:45:51.257Z",
    "state": "PUBLISHED"
  },
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  "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.