Vulnerability-Lookup

CNVD-2021-45273

Vulnerability from cnvd - Published: 2021-06-26

Title

Microsoft SharePoint拒绝服务漏洞（CNVD-2021-45273）

Description

SharePoint是一款与Microsoft Office集成的基于Web的协作平台。SharePoint Server是SharePoint的其中一个版本，安装在客户的IT基础架构上，旨在让组织更好地控制SharePoint的行为或设计，SharePoint Server又分为Standard、Enterprise和Foundation三个版本。 Microsoft SharePoint存在拒绝服务漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Microsoft SharePoint拒绝服务漏洞（CNVD-2021-45273）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28450

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-28450

Impacted products

Name
['Microsoft Microsoft SharePoint Enterprise Server 2016', 'Microsoft Microsoft SharePoint Server 2019']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-28450",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-28450"
    }
  },
  "description": "SharePoint\u662f\u4e00\u6b3e\u4e0eMicrosoft Office\u96c6\u6210\u7684\u57fa\u4e8eWeb\u7684\u534f\u4f5c\u5e73\u53f0\u3002SharePoint Server\u662fSharePoint\u7684\u5176\u4e2d\u4e00\u4e2a\u7248\u672c\uff0c\u5b89\u88c5\u5728\u5ba2\u6237\u7684IT\u57fa\u7840\u67b6\u6784\u4e0a\uff0c\u65e8\u5728\u8ba9\u7ec4\u7ec7\u66f4\u597d\u5730\u63a7\u5236SharePoint\u7684\u884c\u4e3a\u6216\u8bbe\u8ba1\uff0cSharePoint Server\u53c8\u5206\u4e3aStandard\u3001Enterprise\u548cFoundation\u4e09\u4e2a\u7248\u672c\u3002\n\nMicrosoft SharePoint\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28450",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-45273",
  "openTime": "2021-06-26",
  "patchDescription": "SharePoint\u662f\u4e00\u6b3e\u4e0eMicrosoft Office\u96c6\u6210\u7684\u57fa\u4e8eWeb\u7684\u534f\u4f5c\u5e73\u53f0\u3002SharePoint Server\u662fSharePoint\u7684\u5176\u4e2d\u4e00\u4e2a\u7248\u672c\uff0c\u5b89\u88c5\u5728\u5ba2\u6237\u7684IT\u57fa\u7840\u67b6\u6784\u4e0a\uff0c\u65e8\u5728\u8ba9\u7ec4\u7ec7\u66f4\u597d\u5730\u63a7\u5236SharePoint\u7684\u884c\u4e3a\u6216\u8bbe\u8ba1\uff0cSharePoint Server\u53c8\u5206\u4e3aStandard\u3001Enterprise\u548cFoundation\u4e09\u4e2a\u7248\u672c\u3002\r\n\r\nMicrosoft SharePoint\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-45273\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Microsoft SharePoint Enterprise Server 2016",
      "Microsoft Microsoft SharePoint Server 2019"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-28450",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-14",
  "title": "Microsoft SharePoint\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-45273\uff09"
}

CVE-2021-28450 (GCVE-0-2021-28450)

Vulnerability from cvelistv5 – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:40

Title

Microsoft SharePoint Denial of Service Vulnerability

Summary

Microsoft SharePoint Denial of Service Vulnerability

Severity

5 (Medium)


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

CWE

Denial of Service

Assigner

microsoft mitre root

References

1 reference

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

Impacted products

4 products

Vendor	Product	Version
Microsoft	Microsoft SharePoint Enterprise Server 2016	Affected: 16.0.0 , < publication (custom) cpe:2.3:a:microsoft:sharepoint_server:2016::::enterprise:::
Microsoft	Microsoft SharePoint Enterprise Server 2013 Service Pack 1	Affected: 15.0.0 , < publication (custom) cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:::enterprise:::*
Microsoft	Microsoft SharePoint Server 2019	Affected: 16.0.0 , < publication (custom) cpe:2.3:a:microsoft:sharepoint_server:2019:::::::*
Microsoft	Microsoft SharePoint Foundation 2010 Service Pack 2	Affected: 13.0.0 , < publication (custom) cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:::foundation:::*

Date Public

2021-04-13 07:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:40:14.463Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28450"
          }
        ],
        "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": "publication",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:enterprise:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SharePoint Enterprise Server 2013 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "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": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:foundation:*:*:*"
          ],
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft SharePoint Foundation 2010 Service Pack 2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "13.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-04-13T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft SharePoint Denial of Service Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service",
              "lang": "en-US",
              "type": "Impact"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-29T19:21:41.572Z",
        "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-2021-28450"
        }
      ],
      "title": "Microsoft SharePoint Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2021-28450",
    "datePublished": "2021-04-13T19:33:33.000Z",
    "dateReserved": "2021-03-15T00:00:00.000Z",
    "dateUpdated": "2024-08-03T21:40:14.463Z",
    "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.

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.

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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.

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CNVD-2021-45273

CVE-2021-28450 (GCVE-0-2021-28450)

Tags

Sightings

Nomenclature

Related by attack behaviour