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vuln-nvd/data/2021/CVE-2021-1721.json
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{"affected":[{"affectedData":[{"cpes":["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"16.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"PowerShell Core 7.1","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"7.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"PowerShell Core 7.0","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"7.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":".NET Core 2.1","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"2.1","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":".NET Core 3.1","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"3.1","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":".NET 5.0","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"5.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"16.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"Microsoft Visual Studio 2019 version 16.8","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"16.0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*"],"platforms":["Unknown"],"product":"Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"15.9.0","versionType":"custom"}]}],"source":"secure@microsoft.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","matchCriteriaId":"8797E7EA-A66B-4B9C-AA2A-DAB08A8A16DB","versionEndIncluding":"5.0.2","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*","matchCriteriaId":"7C5D87DA-378D-4457-986B-8A0796ED00EB","versionEndIncluding":"2.1.24","versionStartIncluding":"2.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*","matchCriteriaId":"1B672ED7-CB65-4D0E-AD4B-4508C4FA8C92","versionEndIncluding":"3.1.11","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:powershell_core:7.0:*:*:*:*:*:*:*","matchCriteriaId":"6A812D8D-C6DA-473E-A604-988BCDA26CDD","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:powershell_core:7.1:*:*:*:*:*:*:*","matchCriteriaId":"AAFBD34E-F04C-4B1B-AFD4-0D926BC30609","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*","matchCriteriaId":"CE03B37D-72FE-4C25-BE62-9C422AEFC80E","versionEndIncluding":"15.9","versionStartIncluding":"15.0","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*","matchCriteriaId":"FD824DE6-3564-4B7D-B45C-2EEE1F84C9D2","versionEndIncluding":"16.8","versionStartIncluding":"16.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":".NET Core and Visual Studio Denial of Service Vulnerability"},{"lang":"es","value":"Una Vulnerabilidad de Denegación de Servicio de .NET Core y Visual Studio"}],"id":"CVE-2021-1721","lastModified":"2026-06-17T03:32:26.200","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"secure@microsoft.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2021-1721","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-01-03T18:38:54.615731Z","version":"2.0.3"}}]},"published":"2021-02-25T23:15:13.210","references":[{"source":"secure@microsoft.com","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1721"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1721"}],"sourceIdentifier":"secure@microsoft.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}