{ "containers": { "cna": { "title": "Microsoft Exchange Server Information Disclosure Vulnerability", "datePublic": "2021-07-13T07:00:00.000Z", "affected": [ { "vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 9", "cpes": [ "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "versions": [ { "version": "15.02.0", "lessThan": "15.02.0858.010", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 20", "cpes": [ "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "versions": [ { "version": "15.01.0", "lessThan": "15.01.2242.008", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft Exchange Server 2013 Cumulative Update 23", "cpes": [ "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "versions": [ { "version": "15.00.0", "lessThan": "15.00.1497.015", "versionType": "custom", "status": "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": "15.01.2176.012", "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": "15.02.0792.013", "versionType": "custom", "status": "affected" } ] } ], "descriptions": [ { "value": "Microsoft Exchange Server Information Disclosure Vulnerability", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "Information Disclosure", "lang": "en-US", "type": "Impact" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2023-12-28T22:36:52.916Z" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C" } } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:58:23.169Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/" } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-33766", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-02-04T19:07:59.976278Z" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2022-01-18", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766" } } } ], "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766", "tags": [ "government-resource" ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information" } ] } ], "timeline": [ { "time": "2022-01-18T00:00:00.000Z", "lang": "en", "value": "CVE-2021-33766 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:25:41.207Z" } } ] }, "cveMetadata": { "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-33766", "datePublished": "2021-07-14T17:53:40.000Z", "dateReserved": "2021-05-28T00:00:00.000Z", "dateUpdated": "2025-10-21T23:25:41.207Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }