github - ghsa-3f87-66x4-f3p7

ghsa-3f87-66x4-f3p7

Vulnerability from github

Published

2022-05-24 19:20

Modified

2025-10-22 00:32

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Microsoft Exchange Server Remote Code Execution Vulnerability

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{
  "affected": [],
  "aliases": [
    "CVE-2021-42321"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-11-10T01:19:00Z",
    "severity": "HIGH"
  },
  "details": "Microsoft Exchange Server Remote Code Execution Vulnerability",
  "id": "GHSA-3f87-66x4-f3p7",
  "modified": "2025-10-22T00:32:26Z",
  "published": "2022-05-24T19:20:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42321"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42321"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5

Published

2021-11-10 00:47

Modified

2025-10-21 23:25

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 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

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            ],
            "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"
          }
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        "metrics": [
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                "id": "CVE-2021-42321",
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}

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