GSD-2021-33755
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Windows Hyper-V Denial of Service Vulnerability This CVE ID is unique from CVE-2021-33758.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-33755",
"description": "Windows Hyper-V Denial of Service Vulnerability This CVE ID is unique from CVE-2021-33758.",
"id": "GSD-2021-33755"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-33755"
],
"details": "Windows Hyper-V Denial of Service Vulnerability This CVE ID is unique from CVE-2021-33758.",
"id": "GSD-2021-33755",
"modified": "2023-12-13T01:23:18.362776Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2021-33755",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Windows 10 Version 1809",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.17763.2061"
}
]
}
},
{
"product_name": "Windows Server 2019",
"version": {
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{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.17763.2061"
}
]
}
},
{
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"version": {
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{
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"version_name": "10.0.0",
"version_value": "10.0.17763.2061"
}
]
}
},
{
"product_name": "Windows 10 Version 1909",
"version": {
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{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.18363.1679"
}
]
}
},
{
"product_name": "Windows 10 Version 21H1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19043.1110"
}
]
}
},
{
"product_name": "Windows 10 Version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19041.1110"
}
]
}
},
{
"product_name": "Windows Server version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19041.1110"
}
]
}
},
{
"product_name": "Windows Server version 20H2",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "10.0.19042.1110"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Windows Hyper-V Denial of Service Vulnerability"
}
]
},
"impact": {
"cvss": [
{
"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"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Denial of Service"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"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
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{
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"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",
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},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*",
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"vulnerable": true
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{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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"
}
],
"id": "CVE-2021-33755",
"lastModified": "2023-12-28T23:15:18.250",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 4.0,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2021-07-14T18:15:10.037",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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