gsd-2021-34473
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31196, CVE-2021-31206.
Aliases
Aliases
CVE-2021-34473


To clipboard 

{
   GSD: {
      alias: "CVE-2021-34473",
      description: "Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31196, CVE-2021-31206.",
      id: "GSD-2021-34473",
      references: [
         "https://packetstormsecurity.com/files/cve/CVE-2021-34473",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-34473",
         ],
         details: "Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31196, CVE-2021-31206.",
         id: "GSD-2021-34473",
         modified: "2023-12-13T01:23:14.071852Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cisa.gov": {
         cveID: "CVE-2021-34473",
         dateAdded: "2021-11-03",
         dueDate: "2021-11-17",
         product: "Microsoft Exchange Server",
         requiredAction: "Apply updates per vendor instructions.",
         shortDescription: "Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2021-31196, CVE-2021-31206.",
         vendorProject: "Microsoft",
         vulnerabilityName: "Microsoft Exchange Server Remote Code Execution Vulnerability",
      },
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secure@microsoft.com",
            ID: "CVE-2021-34473",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "Microsoft Exchange Server 2013 Cumulative Update 23",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "15.00.0",
                                       version_value: "15.00.1497.015",
                                    },
                                 ],
                              },
                           },
                           {
                              product_name: "Microsoft Exchange Server 2019 Cumulative Update 9",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "15.02.0",
                                       version_value: "15.02.0858.010",
                                    },
                                 ],
                              },
                           },
                           {
                              product_name: "Microsoft Exchange Server 2016 Cumulative Update 20",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "15.01.0",
                                       version_value: "15.01.2242.008",
                                    },
                                 ],
                              },
                           },
                           {
                              product_name: "Microsoft Exchange Server 2016 Cumulative Update 19",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "15.01.0",
                                       version_value: "15.01.2176.012",
                                    },
                                 ],
                              },
                           },
                           {
                              product_name: "Microsoft Exchange Server 2019 Cumulative Update 8",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "<",
                                       version_name: "15.02.0",
                                       version_value: "15.02.0792.013",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "Microsoft",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "Microsoft Exchange Server Remote Code Execution Vulnerability",
               },
            ],
         },
         impact: {
            cvss: [
               {
                  baseScore: 9.1,
                  baseSeverity: "CRITICAL",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C",
                  version: "3.1",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "Remote Code Execution",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473",
                  refsource: "MISC",
                  url: "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473",
               },
               {
                  name: "https://www.zerodayinitiative.com/advisories/ZDI-21-821/",
                  refsource: "MISC",
                  url: "https://www.zerodayinitiative.com/advisories/ZDI-21-821/",
               },
               {
                  name: "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html",
                  refsource: "MISC",
                  url: "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         cve: {
            cisaActionDue: "2021-11-17",
            cisaExploitAdd: "2021-11-03",
            cisaRequiredAction: "Apply updates per vendor instructions.",
            cisaVulnerabilityName: "Microsoft Exchange Server Remote Code Execution Vulnerability",
            configurations: [
               {
                  nodes: [
                     {
                        cpeMatch: [
                           {
                              criteria: "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*",
                              matchCriteriaId: "DA166F2A-D83B-4D50-AD0B-668D813E0585",
                              vulnerable: true,
                           },
                           {
                              criteria: "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*",
                              matchCriteriaId: "28FCA0E8-7D27-4746-9731-91B834CA3E64",
                              vulnerable: true,
                           },
                           {
                              criteria: "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*",
                              matchCriteriaId: "19C1EE0C-B8DD-4B91-BE4B-1C42D72FB718",
                              vulnerable: true,
                           },
                           {
                              criteria: "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*",
                              matchCriteriaId: "44ECF39A-1DE1-4870-A494-06A53494338D",
                              vulnerable: true,
                           },
                           {
                              criteria: "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*",
                              matchCriteriaId: "71CDF29B-116B-4DE2-AFD0-B62477FF0AEB",
                              vulnerable: true,
                           },
                        ],
                        negate: false,
                        operator: "OR",
                     },
                  ],
               },
            ],
            descriptions: [
               {
                  lang: "en",
                  value: "Microsoft Exchange Server Remote Code Execution Vulnerability",
               },
               {
                  lang: "es",
                  value: "Una vulnerabilidad de Ejecución de Código Remota de Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-31196, CVE-2021-31206",
               },
            ],
            id: "CVE-2021-34473",
            lastModified: "2023-12-28T23:15:32.450",
            metrics: {
               cvssMetricV2: [
                  {
                     acInsufInfo: false,
                     baseSeverity: "HIGH",
                     cvssData: {
                        accessComplexity: "LOW",
                        accessVector: "NETWORK",
                        authentication: "NONE",
                        availabilityImpact: "COMPLETE",
                        baseScore: 10,
                        confidentialityImpact: "COMPLETE",
                        integrityImpact: "COMPLETE",
                        vectorString: "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                        version: "2.0",
                     },
                     exploitabilityScore: 10,
                     impactScore: 10,
                     obtainAllPrivilege: false,
                     obtainOtherPrivilege: false,
                     obtainUserPrivilege: false,
                     source: "nvd@nist.gov",
                     type: "Primary",
                     userInteractionRequired: false,
                  },
               ],
               cvssMetricV31: [
                  {
                     cvssData: {
                        attackComplexity: "LOW",
                        attackVector: "NETWORK",
                        availabilityImpact: "NONE",
                        baseScore: 9.1,
                        baseSeverity: "CRITICAL",
                        confidentialityImpact: "HIGH",
                        integrityImpact: "HIGH",
                        privilegesRequired: "NONE",
                        scope: "UNCHANGED",
                        userInteraction: "NONE",
                        vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        version: "3.1",
                     },
                     exploitabilityScore: 3.9,
                     impactScore: 5.2,
                     source: "secure@microsoft.com",
                     type: "Primary",
                  },
                  {
                     cvssData: {
                        attackComplexity: "LOW",
                        attackVector: "NETWORK",
                        availabilityImpact: "HIGH",
                        baseScore: 9.8,
                        baseSeverity: "CRITICAL",
                        confidentialityImpact: "HIGH",
                        integrityImpact: "HIGH",
                        privilegesRequired: "NONE",
                        scope: "UNCHANGED",
                        userInteraction: "NONE",
                        vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        version: "3.1",
                     },
                     exploitabilityScore: 3.9,
                     impactScore: 5.9,
                     source: "nvd@nist.gov",
                     type: "Secondary",
                  },
               ],
            },
            published: "2021-07-14T18:15:11.163",
            references: [
               {
                  source: "secure@microsoft.com",
                  tags: [
                     "Exploit",
                     "Third Party Advisory",
                     "VDB Entry",
                  ],
                  url: "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html",
               },
               {
                  source: "secure@microsoft.com",
                  tags: [
                     "Patch",
                     "Vendor Advisory",
                  ],
                  url: "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473",
               },
               {
                  source: "secure@microsoft.com",
                  tags: [
                     "Third Party Advisory",
                     "VDB Entry",
                  ],
                  url: "https://www.zerodayinitiative.com/advisories/ZDI-21-821/",
               },
            ],
            sourceIdentifier: "secure@microsoft.com",
            vulnStatus: "Modified",
            weaknesses: [
               {
                  description: [
                     {
                        lang: "en",
                        value: "CWE-918",
                     },
                  ],
                  source: "nvd@nist.gov",
                  type: "Primary",
               },
            ],
         },
      },
   },
}


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