{"containers": {"cna": {"title": "Microsoft Exchange Server Elevation of Privilege Vulnerability", "datePublic": "2021-07-13T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_9:*:*:*:*:*:*", "versionStartIncluding": "15.02.0", "versionEndExcluding": "15.02.0858.015"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_20:*:*:*:*:*:*", "versionStartIncluding": "15.01.0", "versionEndExcluding": "15.01.2242.012"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_21:*:*:*:*:*:*", "versionStartIncluding": "15.01.0", "versionEndExcluding": "15.01.2308.014"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_10:*:*:*:*:*:*", "versionStartIncluding": "15.02.0", "versionEndExcluding": "15.02.0922.013"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 20", "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "15.01.2242.012", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 21", "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "15.01.2308.014", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 10", "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "15.02.0922.013", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 9", "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "15.02.0858.015", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Microsoft Exchange Server Elevation of Privilege Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Elevation of Privilege", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:11:36.947Z"}, "references": [{"name": "Microsoft Exchange Server Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33768"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:58:22.872Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-33768", "datePublished": "2021-07-14T17:53:42.000Z", "dateReserved": "2021-05-28T00:00:00.000Z", "dateUpdated": "2026-08-10T15:11:36.947Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2019 Cumulative Update 9", "vendor": "Microsoft", "versions": [{"lessThan": "15.02.0858.015", "status": "affected", "version": "15.02.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2016 Cumulative Update 20", "vendor": "Microsoft", "versions": [{"lessThan": "15.01.2242.012", "status": "affected", "version": "15.01.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2016 Cumulative Update 21", "vendor": "Microsoft", "versions": [{"lessThan": "15.01.2308.014", "status": "affected", "version": "15.01.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2019 Cumulative Update 10", "vendor": "Microsoft", "versions": [{"lessThan": "15.02.0922.013", "status": "affected", "version": "15.02.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"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:2016:cumulative_update_21:*:*:*:*:*:*", "matchCriteriaId": "3BE427A4-B0C2-4064-8234-29426325C348", "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_9:*:*:*:*:*:*", "matchCriteriaId": "71CDF29B-116B-4DE2-AFD0-B62477FF0AEB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Exchange Server Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Elevaci\u00f3n de Privilegios en Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-34470, CVE-2021-34523"}], "id": "CVE-2021-33768", "lastModified": "2026-06-17T03:55:12.037", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.2, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-07-14T18:15:10.450", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}