CVE-2020-17143

{"containers": {"cna": {"title": "Microsoft Exchange Server Information Disclosure Vulnerability", "datePublic": "2020-12-08T08:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_6:*:*:*:*:*:*", "versionStartIncluding": "15.02.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_17:*:*:*:*:*:*", "versionStartIncluding": "15.01.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_7:*:*:*:*:*:*", "versionStartIncluding": "15.02.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_18:*:*:*:*:*:*", "versionStartIncluding": "15.01.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_23:*:*:*:*:*:*", "versionStartIncluding": "15.00.0", "versionEndExcluding": "publication"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Exchange Server 2013 Cumulative Update 23", "platforms": ["x64-based Systems"], "versions": [{"version": "15.00.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 17", "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 18", "platforms": ["x64-based Systems"], "versions": [{"version": "15.01.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 6", "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 7", "platforms": ["x64-based Systems"], "versions": [{"version": "15.02.0", "lessThan": "publication", "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": "2026-06-09T18:07:56.633Z"}, "references": [{"name": "Microsoft Exchange Server Information Disclosure Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17143"}], "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:P/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:53:16.934Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2020-17143", "datePublished": "2020-12-09T23:36:55.000Z", "dateReserved": "2020-08-04T00:00:00.000Z", "dateUpdated": "2026-06-09T18:07:56.633Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

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{"affected": [{"affectedData": [{"platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2013 Cumulative Update 23", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.00.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2016 Cumulative Update 17", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.01.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2016 Cumulative Update 18", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.01.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2019 Cumulative Update 6", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.02.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft Exchange Server 2019 Cumulative Update 7", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.02.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "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_17:*:*:*:*:*:*", "matchCriteriaId": "079E1E3F-FF25-4B0D-AC98-191D6455A014", "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:2019:cumulative_update_6:*:*:*:*:*:*", "matchCriteriaId": "D4AB3C25-CEA8-4D66-AEE4-953C8B17911A", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*", "matchCriteriaId": "36CE5C6D-9A04-41F5-AE7C-265779833649", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Exchange Server Information Disclosure Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n de Microsoft Exchange"}], "id": "CVE-2020-17143", "lastModified": "2026-06-17T02:58:45.790", "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": "Secondary"}, {"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": "2020-12-10T00:15:16.057", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17143"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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