{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T05:18:23.078","vulnerabilities":[{"cve":{"id":"CVE-2021-42305","sourceIdentifier":"secure@microsoft.com","published":"2021-11-10T01:19:49.143","lastModified":"2024-11-21T06:27:34.100","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Microsoft Exchange Server Spoofing Vulnerability"},{"lang":"es","value":"Una vulnerabilidad de Suplantación de Identidad de Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-41349"}],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"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_21:*:*:*:*:*:*","matchCriteriaId":"3BE427A4-B0C2-4064-8234-29426325C348"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*","matchCriteriaId":"449CE85B-E599-44D3-A7C1-5133F6A55E86"},{"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_11:*:*:*:*:*:*","matchCriteriaId":"435343A4-BF10-461A-ABF2-D511A5FBDA75"}]}]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42305","source":"secure@microsoft.com","tags":["Patch","Vendor Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42305","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}