CVE-2021-33755
Vulnerability from cvelistv5
Published
2021-07-14 17:53
Modified
2024-08-03 23:58
Severity ?
EPSS score ?
Summary
Windows Hyper-V Denial of Service Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755 | Patch, Vendor Advisory |
Impacted products
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T23:58:23.090Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "cpes": [ "cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2061:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows 10 Version 1809", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.17763.2061", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2061:*:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2019", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.17763.2061", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2061:*:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2019 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.17763.2061", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1679:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows 10 Version 1909", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.18363.1679", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows 10 Version 21H1", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.19043.1110", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1110:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows 10 Version 2004", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.19041.1110", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1110:*:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server version 2004", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.19041.1110", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1110:*:*:*:*:*:*:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server version 20H2", "vendor": "Microsoft", "versions": [ { "lessThan": "10.0.19042.1110", "status": "affected", "version": "10.0.0", "versionType": "custom" } ] } ], "datePublic": "2021-07-13T07:00:00+00:00", "descriptions": [ { "lang": "en-US", "value": "Windows Hyper-V Denial of Service Vulnerability" } ], "metrics": [ { "cvssV3_1": { "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "description": "Denial of Service", "lang": "en-US", "type": "Impact" } ] } ], "providerMetadata": { "dateUpdated": "2023-12-28T22:36:23.739Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755" } ], "title": "Windows Hyper-V Denial of Service Vulnerability" } }, "cveMetadata": { "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-33755", "datePublished": "2021-07-14T17:53:29", "dateReserved": "2021-05-28T00:00:00", "dateUpdated": "2024-08-03T23:58:23.090Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-33755\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-07-14T18:15:10.037\",\"lastModified\":\"2023-12-28T23:15:18.250\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Windows Hyper-V Denial of Service Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad denegaci\u00f3n de Servicio en Windows Hyper-V. Este ID de CVE es diferente de CVE-2021-33758\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"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:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"21074553-EDF2-468D-8E79-C39851B5BC79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"F8C238FA-B20F-40A5-B861-A8295858F4BE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"6CF580BA-6938-40F6-9D86-F43044A6BACA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"61F0792D-7587-4297-8EE7-D4DC3A30EE84\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*\",\"matchCriteriaId\":\"09D9A720-8D3C-4699-AC57-CB4531E5BFEB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4A190388-AA82-4504-9D5A-624F23268C9F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B60D940-80C7-49F0-8F4E-3F99AC15FA82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.