{"containers": {"cna": {"title": "Microsoft Exchange Server Remote Code Execution Vulnerability", "datePublic": "2021-11-09T08:00:00+00:00", "affected": [{"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 21", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "15.01.2308.020", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 10", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "15.02.0792.019", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 22", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "15.01.2375.017", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 11", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "15.02.0986.014", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Microsoft Exchange Server Remote Code Execution Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Remote Code Execution", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2024-05-29T14:47:48.107Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "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"}}]}}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-42321", "datePublished": "2021-11-10T00:47:43", "dateReserved": "2021-10-12T00:00:00", "dateUpdated": "2024-05-29T14:47:48.107Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"cisaActionDue": "2021-12-01", "cisaExploitAdd": "2021-11-17", "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:2016:cumulative_update_21:*:*:*:*:*:*", "matchCriteriaId": "3BE427A4-B0C2-4064-8234-29426325C348", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*", "matchCriteriaId": "449CE85B-E599-44D3-A7C1-5133F6A55E86", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*", "matchCriteriaId": "B4185347-EEDD-4239-9AB3-410E2EC89D2A", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*", "matchCriteriaId": "435343A4-BF10-461A-ABF2-D511A5FBDA75", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota en Microsoft Exchange Server"}], "id": "CVE-2021-42321", "lastModified": "2023-12-28T16:16:00.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-11-10T01:19:50.047", "references": [{"source": "secure@microsoft.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html"}, {"source": "secure@microsoft.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html"}, {"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}