MSRC_CVE-2024-20699

Vulnerability from csaf_microsoft - Published: 2024-01-09 08:00 - Updated: 2024-01-09 08:00
Summary
Windows Hyper-V Denial of Service Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-755 - Improper Handling of Exceptional Conditions
Affected products
Product Identifier Version Remediation
Windows 10 Version 1809 for x64-based Systems 10.0.17763.5329
Windows 10 Version 1809 for x64-based Systems
10.0.17763.5329
Windows Server 2019 10.0.17763.5329
Windows Server 2019
10.0.17763.5329
Windows Server 2019 (Server Core installation) 10.0.17763.5329
Windows Server 2019 (Server Core installation)
10.0.17763.5329
Windows Server 2022 10.0.20348.2227
Windows Server 2022
10.0.20348.2227
Windows Server 2022 (Server Core installation) 10.0.20348.2227
Windows Server 2022 (Server Core installation)
10.0.20348.2227
Windows 11 version 21H2 for x64-based Systems 10.0.22000.2713
Windows 11 version 21H2 for x64-based Systems
10.0.22000.2713
Windows 10 Version 21H2 for x64-based Systems 10.0.19044.3930
Windows 10 Version 21H2 for x64-based Systems
10.0.19044.3930
Windows 11 Version 22H2 for x64-based Systems 10.0.22621.3007
Windows 11 Version 22H2 for x64-based Systems
10.0.22621.3007
Windows 10 Version 22H2 for x64-based Systems 10.0.19045.3930
Windows 10 Version 22H2 for x64-based Systems
10.0.19045.3930
Windows 11 Version 23H2 for x64-based Systems 10.0.22631.3007
Windows 11 Version 23H2 for x64-based Systems
10.0.22631.3007
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.643
Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.643
Product Identifier Version Remediation
Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.643
Windows Server 2022, 23H2 Edition (Server Core installation)
<10.0.25398.643
Vendor Fix fix
Windows 11 Version 23H2 for x64-based Systems <10.0.22631.3007
Windows 11 Version 23H2 for x64-based Systems
<10.0.22631.3007
Vendor Fix fix
Windows 10 Version 22H2 for x64-based Systems <10.0.19045.3930
Windows 10 Version 22H2 for x64-based Systems
<10.0.19045.3930
Vendor Fix fix
Windows 11 Version 22H2 for x64-based Systems <10.0.22621.3007
Windows 11 Version 22H2 for x64-based Systems
<10.0.22621.3007
Vendor Fix fix
Windows 10 Version 21H2 for x64-based Systems <10.0.19044.3930
Windows 10 Version 21H2 for x64-based Systems
<10.0.19044.3930
Vendor Fix fix
Windows 11 version 21H2 for x64-based Systems <10.0.22000.2713
Windows 11 version 21H2 for x64-based Systems
<10.0.22000.2713
Vendor Fix fix
Windows Server 2022 (Server Core installation) <10.0.20348.2227
Windows Server 2022 (Server Core installation)
<10.0.20348.2227
Vendor Fix fix
Windows Server 2022 <10.0.20348.2227
Windows Server 2022
<10.0.20348.2227
Vendor Fix fix
Windows Server 2019 (Server Core installation) <10.0.17763.5329
Windows Server 2019 (Server Core installation)
<10.0.17763.5329
Vendor Fix fix
Windows Server 2019 <10.0.17763.5329
Windows Server 2019
<10.0.17763.5329
Vendor Fix fix
Windows 10 Version 1809 for x64-based Systems <10.0.17763.5329
Windows 10 Version 1809 for x64-based Systems
<10.0.17763.5329
Vendor Fix fix
Threats
Impact Denial of Service
Exploit Status Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely

{
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      "text": "Important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
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        "url": "https://www.first.org/tlp/"
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    "notes": [
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        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
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      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
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      {
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        "url": "https://msrc.microsoft.com/csaf/advisories/2024/msrc_cve-2024-20699.json"
      },
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        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
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        "url": "https://www.first.org/cvss"
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    "title": "Windows Hyper-V Denial of Service Vulnerability",
    "tracking": {
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      "generator": {
        "date": "2025-05-03T01:46:23.021Z",
        "engine": {
          "name": "MSRC Generator",
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      "revision_history": [
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          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
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      "status": "final",
      "version": "1"
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  "vulnerabilities": [
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      "cve": "CVE-2024-20699",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An authenticated attacker could run a specially crafted application on a vulnerable Hyper-V guest to exploit this vulnerability which, if successful, could potentially interact with processes of another Hyper-V guest hosted on the same Hyper-V host.",
          "title": "How could an attacker exploit this vulnerability?"
        }
      ],
      "product_status": {
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          "11571",
          "11572",
          "11923",
          "11924",
          "11926",
          "11931",
          "12086",
          "12097",
          "12243",
          "12244"
        ],
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          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11"
        ]
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          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20699"
        },
        {
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          "summary": "CVE-2024-20699 Windows Hyper-V Denial of Service Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2024/msrc_cve-2024-20699.json"
        }
      ],
      "remediations": [
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          "date": "2024-01-09T08:00:00.000Z",
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        },
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          "product_ids": [
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          "url": "https://support.microsoft.com/help/5034122"
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        {
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          "details": "10.0.22631.3007:Security Update:https://support.microsoft.com/help/5034123",
          "product_ids": [
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          "url": "https://support.microsoft.com/help/5034123"
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          "details": "10.0.25398.643:Security Update:https://support.microsoft.com/help/5034130",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5034130"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Denial of Service"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Hyper-V Denial of Service Vulnerability"
    }
  ]
}


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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.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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