{"containers": {"cna": {"title": "Microsoft SharePoint Server Spoofing Vulnerability", "datePublic": "2021-05-11T07:00:00.000Z", "affected": [{"vendor": "Microsoft", "product": "Microsoft SharePoint Enterprise Server 2016", "cpes": ["cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.5161.1000", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server 2019", "cpes": ["cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.10374.20000", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Foundation 2013 Service Pack 1", "cpes": ["cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "15.0.5345.1000", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Microsoft SharePoint Server Spoofing Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Spoofing", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2023-12-28T23:57:11.010Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 4.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.286Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-290", "lang": "en", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-28T19:25:55.040134Z", "id": "CVE-2021-26418", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-28T20:57:40.798Z"}}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-26418", "datePublished": "2021-05-11T19:11:10.000Z", "dateReserved": "2021-01-29T00:00:00.000Z", "dateUpdated": "2025-02-28T20:57:40.798Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"containers": {"cna": {"title": "Microsoft SharePoint Server Spoofing Vulnerability", "datePublic": "2021-05-11T07:00:00.000Z", "affected": [{"vendor": "Microsoft", "product": "Microsoft SharePoint Enterprise Server 2016", "cpes": ["cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.5161.1000", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server 2019", "cpes": ["cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.10374.20000", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Foundation 2013 Service Pack 1", "cpes": ["cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "15.0.5345.1000", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Microsoft SharePoint Server Spoofing Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Spoofing", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2023-12-28T23:57:11.010Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 4.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.286Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}]}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-26418", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-28T19:25:55.040134Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-28T19:28:32.822Z"}}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-26418", "datePublished": "2021-05-11T19:11:10.000Z", "dateReserved": "2021-01-29T00:00:00.000Z", "dateUpdated": "2025-02-28T20:57:40.798Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*", "matchCriteriaId": "F71184B1-7461-4A05-A5D2-03D9EDDC30D5", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*", "matchCriteriaId": "F815EF1D-7B60-47BE-9AC2-2548F99F10E4", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*", "matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft SharePoint Server Spoofing Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Suplantaci\u00f3n de Identidad de Microsoft SharePoint. Este ID de CVE es diferente de CVE-2021-28478, CVE-2021-31172"}], "id": "CVE-2021-26418", "lastModified": "2025-02-28T21:15:16.953", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 2.5, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-05-11T19:15:08.793", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-290"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}