cnvd - cnvd-2021-90307

cnvd-2021-90307

Vulnerability from cnvd

Title: Microsoft Exchange Server远程代码执行漏洞（CNVD-2021-90307）

Description:

Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。

Microsoft Exchange Server存在远程代码执行漏洞，攻击者可通过发送特制的恶意数据到服务器利用该漏洞在服务器上远程执行任意代码。

Severity: 中

Patch Name: Microsoft Exchange Server远程代码执行漏洞（CNVD-2021-90307）的补丁

Patch Description:

Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。

Microsoft Exchange Server存在远程代码执行漏洞，攻击者可通过发送特制的恶意数据到服务器利用该漏洞在服务器上远程执行任意代码。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/vulnerability/CVE-2021-42321

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-42321

Impacted products

Name
['Microsoft Microsoft Exchange Server 2019 Cumulative Update 10', 'Microsoft Microsoft Exchange Server 2019 Cumulative Update 11', 'Microsoft Microsoft Exchange Server 2016 Cumulative Update 21', 'Microsoft Microsoft Exchange Server 2016 Cumulative Update 22']

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42321"
    }
  },
  "description": "Microsoft Exchange Server\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u7a0b\u5e8f\u3002\u5b83\u63d0\u4f9b\u90ae\u4ef6\u5b58\u53d6\u3001\u50a8\u5b58\u3001\u8f6c\u53d1\uff0c\u8bed\u97f3\u90ae\u4ef6\uff0c\u90ae\u4ef6\u8fc7\u6ee4\u7b5b\u9009\u7b49\u529f\u80fd\u3002\n\nMicrosoft Exchange Server\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684\u6076\u610f\u6570\u636e\u5230\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u670d\u52a1\u5668\u4e0a\u8fdc\u7a0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\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/vulnerability/CVE-2021-42321",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-90307",
  "openTime": "2021-11-24",
  "patchDescription": "Microsoft Exchange Server\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u7a0b\u5e8f\u3002\u5b83\u63d0\u4f9b\u90ae\u4ef6\u5b58\u53d6\u3001\u50a8\u5b58\u3001\u8f6c\u53d1\uff0c\u8bed\u97f3\u90ae\u4ef6\uff0c\u90ae\u4ef6\u8fc7\u6ee4\u7b5b\u9009\u7b49\u529f\u80fd\u3002\r\n\r\nMicrosoft Exchange Server\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684\u6076\u610f\u6570\u636e\u5230\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u670d\u52a1\u5668\u4e0a\u8fdc\u7a0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\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 Exchange Server\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-90307\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Microsoft Exchange Server 2019 Cumulative Update 10",
      "Microsoft Microsoft Exchange Server 2019 Cumulative Update 11",
      "Microsoft Microsoft Exchange Server 2016 Cumulative Update 21",
      "Microsoft Microsoft Exchange Server 2016 Cumulative Update 22"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42321",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "Microsoft Exchange Server\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-90307\uff09"
}

CVE-2021-42321 (GCVE-0-2021-42321)

Vulnerability from cvelistv5

Published

2021-11-10 00:47

Modified

2025-07-30 01:37

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

Remote Code Execution

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

References

▼	URL	Tags
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321	x_refsource_MISC
	http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html	x_refsource_MISC
	http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Microsoft

Microsoft Exchange Server 2016 Cumulative Update 21

Version: 15.01.0 < 15.01.2308.020
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*

Microsoft	Microsoft Exchange Server 2019 Cumulative Update 10	Version: 15.02.0 < 15.02.0792.019 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10::::::
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 22	Version: 15.0.0 < 15.01.2375.017 cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22::::::
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 11	Version: 15.02.0 < 15.02.0986.014 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11::::::

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:30:38.363Z",
          "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-2021-42321"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-42321",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-03T16:43:32.753195Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2021-11-17",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42321"
              },
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            }
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        ],
        "problemTypes": [
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                "description": "CWE-noinfo Not enough information",
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        "timeline": [
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            "value": "CVE-2021-42321 added to CISA KEV"
          }
        ],
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    ],
    "cna": {
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          "cpes": [
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          "vendor": "Microsoft",
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        {
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          "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
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          "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"
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      ],
      "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
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  "cveMetadata": {
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    "datePublished": "2021-11-10T00:47:43.000Z",
    "dateReserved": "2021-10-12T00:00:00.000Z",
    "dateUpdated": "2025-07-30T01:37:53.656Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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