Vulnerability-Lookup

CNVD-2022-01686

Vulnerability from cnvd - Published: 2021-12-31

Title

Microsoft SharePoint权限提升漏洞（CNVD-2022-01686）

Description

Microsoft Office Sharepoint Server是美国微软（Microsoft）公司的一款为企业客户而设计的、基于web的内容管理和协作工具。该软件初始版本以Office组件形式存在，现在也仍然大大依托于Office，以提供企业门户、文档协同等功能为主，之后版本支持将Office、Exchange、Lync、Project和Visio结合起来。 Microsoft Office SharePoint存在安全漏洞，攻击者可利用该漏洞造成权限提升。

Severity

高

Patch Name

Microsoft SharePoint权限提升漏洞（CNVD-2022-01686）的补丁

Patch Description

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://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43876

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-43876

Impacted products

Name
Microsoft Office SharePoint Server

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43876"
    }
  },
  "description": "Microsoft Office Sharepoint Server\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u4e3a\u4f01\u4e1a\u5ba2\u6237\u800c\u8bbe\u8ba1\u7684\u3001\u57fa\u4e8eweb\u7684\u5185\u5bb9\u7ba1\u7406\u548c\u534f\u4f5c\u5de5\u5177\u3002\u8be5\u8f6f\u4ef6\u521d\u59cb\u7248\u672c\u4ee5Office\u7ec4\u4ef6\u5f62\u5f0f\u5b58\u5728\uff0c\u73b0\u5728\u4e5f\u4ecd\u7136\u5927\u5927\u4f9d\u6258\u4e8eOffice\uff0c\u4ee5\u63d0\u4f9b\u4f01\u4e1a\u95e8\u6237\u3001\u6587\u6863\u534f\u540c\u7b49\u529f\u80fd\u4e3a\u4e3b\uff0c\u4e4b\u540e\u7248\u672c\u652f\u6301\u5c06Office\u3001Exchange\u3001Lync\u3001Project\u548cVisio\u7ed3\u5408\u8d77\u6765\u3002\n\nMicrosoft Office SharePoint\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6743\u9650\u63d0\u5347\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://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43876",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-01686",
  "openTime": "2021-12-31",
  "patchDescription": "Microsoft Office Sharepoint Server\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u4e3a\u4f01\u4e1a\u5ba2\u6237\u800c\u8bbe\u8ba1\u7684\u3001\u57fa\u4e8eweb\u7684\u5185\u5bb9\u7ba1\u7406\u548c\u534f\u4f5c\u5de5\u5177\u3002\u8be5\u8f6f\u4ef6\u521d\u59cb\u7248\u672c\u4ee5Office\u7ec4\u4ef6\u5f62\u5f0f\u5b58\u5728\uff0c\u73b0\u5728\u4e5f\u4ecd\u7136\u5927\u5927\u4f9d\u6258\u4e8eOffice\uff0c\u4ee5\u63d0\u4f9b\u4f01\u4e1a\u95e8\u6237\u3001\u6587\u6863\u534f\u540c\u7b49\u529f\u80fd\u4e3a\u4e3b\uff0c\u4e4b\u540e\u7248\u672c\u652f\u6301\u5c06Office\u3001Exchange\u3001Lync\u3001Project\u548cVisio\u7ed3\u5408\u8d77\u6765\u3002\r\n\r\nMicrosoft Office SharePoint\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6743\u9650\u63d0\u5347\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": "Microsoft SharePoint\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2022-01686\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Microsoft Office SharePoint Server"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-43876",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-30",
  "title": "Microsoft SharePoint\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2022-01686\uff09"
}

CVE-2021-43876 (GCVE-0-2021-43876)

Vulnerability from cvelistv5 – Published: 2021-12-29 22:48 – Updated: 2024-08-04 04:10

Title

Microsoft SharePoint Elevation of Privilege Vulnerability

Summary

Microsoft SharePoint Elevation of Privilege Vulnerability

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CWE

Elevation of Privilege

Assigner

microsoft mitre root

References

1 reference

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISC

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft SharePoint Enterprise Server 2016	Affected: 16.0.0 , < 16.0.5254.1000 (custom) cpe:2.3:a:microsoft:sharepoint_server:2016::::enterprise:::
Microsoft	Microsoft SharePoint Enterprise Server 2013 Service Pack 1	Affected: 15.0.0 , < 15.0.5407.1000 (custom) cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:::enterprise:::*
Microsoft	Microsoft SharePoint Server 2019	Affected: 16.0.0 , < 16.0.10381.20001 (custom) cpe:2.3:a:microsoft:sharepoint_server:2019:::::::*

Date Public

2021-12-14 08:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:10:16.281Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43876"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SharePoint Enterprise Server 2016",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.5254.1000",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:enterprise:*:*:*"
          ],
          "platforms": [
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          ],
          "product": "Microsoft SharePoint Enterprise Server 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.5407.1000",
              "status": "affected",
              "version": "15.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SharePoint Server 2019",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "16.0.0",
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      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft SharePoint Elevation of Privilege Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
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          "scenarios": [
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      "problemTypes": [
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            {
              "description": "Elevation of Privilege",
              "lang": "en-US",
              "type": "Impact"
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      "providerMetadata": {
        "dateUpdated": "2024-05-29T14:44:38.287Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43876"
        }
      ],
      "title": "Microsoft SharePoint Elevation of Privilege Vulnerability"
    }
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  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
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    "datePublished": "2021-12-29T22:48:34.000Z",
    "dateReserved": "2021-11-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:10:16.281Z",
    "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.

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.