{"containers": {"cna": {"title": "Microsoft Exchange Server Remote Code Execution Vulnerability", "datePublic": "2021-03-02T08:00:00+00:00", "affected": [{"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 19", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 8", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": 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"product": "Microsoft Exchange Server 2013 Service Pack 1", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.00.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2013 Cumulative Update 21", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.00.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 12", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 8", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 1", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 9", "cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 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"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"}}]}}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-26857", "datePublished": "2021-03-02T23:55:26", "dateReserved": "2021-02-08T00:00:00", "dateUpdated": "2023-12-29T20:08:57.205Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"cisaActionDue": "2021-04-16", "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:2010:sp3:*:*:*:*:*:*", "matchCriteriaId": "3E5EA9AD-1E84-4AB5-A1EF-3B9F2AC84755", "vulnerable": true}, {"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_18:*:*:*:*:*:*", "matchCriteriaId": "29805EC7-6403-44B9-91EC-109C087E98EB", "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:2019:cumulative_update_7:*:*:*:*:*:*", "matchCriteriaId": "36CE5C6D-9A04-41F5-AE7C-265779833649", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*", "matchCriteriaId": "44ECF39A-1DE1-4870-A494-06A53494338D", "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 de Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078"}], "id": "CVE-2021-26857", "lastModified": "2023-12-29T17:16:01.073", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-03-03T00:15:12.167", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}