Vulnerability-Lookup

CNVD-2021-27711

Vulnerability from cnvd - Published: 2021-04-13

Title

Microsoft Windows SMBv3拒绝服务漏洞（CNVD-2021-27711）

Description

Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows SMBv3协议中处理某些请求的方式存在拒绝服务漏洞，攻击者可通过诱使用户连接到所配置的恶意SMBv3服务器利用该漏洞导致系统崩溃。

Severity

中

Patch Name

Microsoft Windows SMBv3拒绝服务漏洞（CNVD-2021-27711）的补丁

Patch Description

Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows SMBv3协议中处理某些请求的方式存在拒绝服务漏洞，攻击者可通过诱使用户连接到所配置的恶意SMBv3服务器利用该漏洞导致系统崩溃。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://msrc.microsoft.com/update-guide/zh-CN/vulnerability/CVE-2020-1284

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-1284

Impacted products

Name
['Microsoft Windows Server 2004', 'Microsoft Windows 10 2004']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-1284"
    }
  },
  "description": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002 \n\nMicrosoft Windows SMBv3\u534f\u8bae\u4e2d\u5904\u7406\u67d0\u4e9b\u8bf7\u6c42\u7684\u65b9\u5f0f\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u8fde\u63a5\u5230\u6240\u914d\u7f6e\u7684\u6076\u610fSMBv3\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\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/zh-CN/vulnerability/CVE-2020-1284",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27711",
  "openTime": "2021-04-13",
  "patchDescription": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002 \r\n\r\nMicrosoft Windows SMBv3\u534f\u8bae\u4e2d\u5904\u7406\u67d0\u4e9b\u8bf7\u6c42\u7684\u65b9\u5f0f\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u8fde\u63a5\u5230\u6240\u914d\u7f6e\u7684\u6076\u610fSMBv3\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\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 Windows SMBv3\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-27711\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 2004",
      "Microsoft Windows 10 2004"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-1284",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-10",
  "title": "Microsoft Windows SMBv3\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-27711\uff09"
}

CVE-2020-1284 (GCVE-0-2020-1284)

Vulnerability from cvelistv5 – Published: 2020-06-09 19:43 – Updated: 2024-08-04 06:31

Summary

A denial of service vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Denial of Service Vulnerability'.

Severity

No CVSS data available.

CWE

Denial of Service

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 3972 records in the last 180 days details

References

1 reference

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

Impacted products

4 products

Vendor	Product	Version
Microsoft	Windows 10 Version 2004 for x64-based Systems	Affected: unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	Affected: unspecified
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	Affected: unspecified
Microsoft	Windows 10 Version 2004 for 32-bit Systems	Affected: unspecified

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:31:59.956Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1284"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "Windows 10 Version 2004 for x64-based Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
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        },
        {
          "product": "Windows Server, version 2004 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 2004 for ARM64-based Systems",
          "vendor": "Microsoft",
          "versions": [
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              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 2004 for 32-bit Systems",
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          "versions": [
            {
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              "version": "unspecified"
            }
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        }
      ],
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        }
      ],
      "problemTypes": [
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-09T19:43:53.000Z",
        "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-2020-1284"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@microsoft.com",
          "ID": "CVE-2020-1284",
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                          }
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                    },
                    {
                      "product_name": "Windows Server, version 2004 (Server Core installation)",
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                        "version_data": [
                          {
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                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 2004 for ARM64-based Systems",
                      "version": {
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                          {
                            "version_value": ""
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                    },
                    {
                      "product_name": "Windows 10 Version 2004 for 32-bit Systems",
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  "cveMetadata": {
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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.

Vulnerability timeline

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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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