msrc_cve-2022-21911
Vulnerability from csaf_microsoft
Published
2022-01-11 08:00
Modified
2022-01-11 08:00
Summary
.NET Framework Denial of Service Vulnerability
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.
{ document: { aggregate_severity: { namespace: "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system", text: "Important", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Public", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en-US", notes: [ { category: "general", 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: { category: "vendor", contact_details: "secure@microsoft.com", name: "Microsoft Security Response Center", namespace: "https://msrc.microsoft.com", }, references: [ { category: "self", summary: "CVE-2022-21911 .NET Framework Denial of Service Vulnerability - HTML", url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21911", }, { category: "self", summary: "CVE-2022-21911 .NET Framework Denial of Service Vulnerability - CSAF", url: "https://msrc.microsoft.com/csaf/2022/msrc_cve-2022-21911.json", }, { category: "external", summary: "Microsoft Exploitability Index", url: "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1", }, { category: "external", summary: "Microsoft Support Lifecycle", url: "https://support.microsoft.com/lifecycle", }, { category: "external", summary: "Common Vulnerability Scoring System", url: "https://www.first.org/cvss", }, ], title: ".NET Framework Denial of Service Vulnerability", tracking: { current_release_date: "2022-01-11T08:00:00.000Z", generator: { date: "2025-01-02T18:22:13.035Z", engine: { name: "MSRC Generator", version: "1.0", }, }, id: "msrc_CVE-2022-21911", initial_release_date: "2022-01-11T08:00:00.000Z", revision_history: [ { date: "2022-01-11T08:00:00.000Z", legacy_version: "1", number: "1", summary: "Information published.", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { category: "product_version_range", name: "<4.7.3905.0", product: { name: "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 <4.7.3905.0", product_id: "45", }, }, { category: "product_version", name: "4.7.3905.0", product: { name: "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 4.7.3905.0", product_id: "11529-10379", }, }, ], category: "product_name", name: "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2", }, { branches: [ 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Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "24", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11898", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, { branches: [ { category: "product_version_range", name: "<4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "25", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11929", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, { branches: [ { category: "product_version_range", name: "<4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "26", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11930", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, { branches: [ { category: "product_version_range", name: "<4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "27", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11923", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, { branches: [ { category: "product_version_range", name: "<4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "28", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11924", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, { branches: [ { category: "product_version_range", name: "<4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 <4.8.4465.0", product_id: "29", }, }, { category: "product_version", name: "4.8.4465.0", product: { name: "Microsoft .NET Framework 3.5 AND 4.8 4.8.4465.0", product_id: "11676-11926", }, }, ], category: "product_name", name: "Microsoft .NET Framework 3.5 AND 4.8", }, ], }, vulnerabilities: [ { cve: "CVE-2022-21911", notes: [ { category: "general", text: "Microsoft", title: "Assigning CNA", }, ], product_status: { fixed: [ "10636-10047", "10636-10048", "10636-10049", "10636-10051", "10636-10378", "10636-10379", "10636-10481", "10636-10482", "10636-10483", "10636-10484", "10636-10543", "10636-9312", "10636-9318", "10728-9312", "10728-9318", "11529-10047", "11529-10048", "11529-10049", "11529-10051", "11529-10378", "11529-10379", "11529-10481", "11529-10482", "11529-10483", "11529-10484", "11529-10543", "11650-10047", "11650-10048", "11650-10049", "11650-10051", "11650-10378", "11650-10379", "11650-10481", "11650-10482", "11650-10483", "11650-10484", "11650-10543", "11650-10816", "11650-10852", "11650-10853", "11650-10855", "11676-11568", "11676-11569", "11676-11571", "11676-11572", "11676-11712", "11676-11713", "11676-11714", "11676-11801", "11676-11802", "11676-11803", "11676-11896", "11676-11897", "11676-11898", "11676-11923", "11676-11924", "11676-11926", "11676-11929", "11676-11930", "11677-10729", "11677-10735", "11677-11568", "11677-11569", "11677-11570", "11677-11571", "11677-11572", "11723-10816", "11723-10852", "11723-10853", "11723-10855", "2472-10378", "2472-10379", "2472-10481", "2472-10482", "2472-10483", "2472-10543", "9292-9312", "9292-9318", "9495-10047", "9495-10048", "9495-10051", ], known_affected: [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "80", "81", ], }, references: [ { category: "self", summary: "CVE-2022-21911 .NET Framework Denial of Service Vulnerability - HTML", url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21911", }, { category: "self", summary: "CVE-2022-21911 .NET Framework Denial of Service Vulnerability - CSAF", url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21911", }, ], remediations: [ { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Monthly Rollup:https://support.microsoft.com/help/5009720", product_ids: [ "45", "55", ], url: "https://support.microsoft.com/help/5009720", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Only:https://support.microsoft.com/help/5009712", product_ids: [ "45", "55", ], url: "https://support.microsoft.com/help/5009712", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5008876", product_ids: [ "12", "14", "18", "22", "23", "24", "25", "26", ], url: "https://support.microsoft.com/help/5008876", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Monthly Rollup:https://support.microsoft.com/help/5009719", product_ids: [ "30", "39", "42", "43", ], url: "https://support.microsoft.com/help/5009719", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Only:https://support.microsoft.com/help/5009711", product_ids: [ "30", "39", "42", "43", ], url: "https://support.microsoft.com/help/5009711", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Monthly Rollup:https://support.microsoft.com/help/5009720", product_ids: [ "31", "41", ], url: "https://support.microsoft.com/help/5009720", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Only:https://support.microsoft.com/help/5009712", product_ids: [ "31", "41", ], url: "https://support.microsoft.com/help/5009712", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5008879", product_ids: [ "13", "16", "21", ], url: "https://support.microsoft.com/help/5008879", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5008877", product_ids: [ "32", "33", "35", "44", ], url: "https://support.microsoft.com/help/5008877", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "46", "48", "51", "52", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Only:https://support.microsoft.com/help/5009713", product_ids: [ "46", "48", "51", "52", ], url: "https://support.microsoft.com/help/5009713", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5009718", product_ids: [ "15", "17", "19", "20", ], url: "https://support.microsoft.com/help/5009718", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "34", "37", "38", "40", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Only:https://support.microsoft.com/help/5009713", product_ids: [ "34", "37", "38", "40", ], url: "https://support.microsoft.com/help/5009713", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Monthly Rollup:https://support.microsoft.com/help/5009719", product_ids: [ "47", "49", "53", "54", ], url: "https://support.microsoft.com/help/5009719", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Only:https://support.microsoft.com/help/5009711", product_ids: [ "47", "49", "53", ], url: "https://support.microsoft.com/help/5009711", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "36", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "50", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Only:https://support.microsoft.com/help/5009711", product_ids: [ "54", ], url: "https://support.microsoft.com/help/5009711", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Update:https://support.microsoft.com/help/5009718", product_ids: [ "5", "6", "7", "8", "10", ], url: "https://support.microsoft.com/help/5009718", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "10.0.14393.4886:Security Update:https://support.microsoft.com/help/5009546", product_ids: [ "1", "2", "3", "4", ], url: "https://support.microsoft.com/help/5009546", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "10.0.10240.19177:Security Update:https://support.microsoft.com/help/5009585", product_ids: [ "9", "11", ], url: "https://support.microsoft.com/help/5009585", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Monthly Rollup:https://support.microsoft.com/help/5009722", product_ids: [ "74", "75", ], url: "https://support.microsoft.com/help/5009722", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Security Only:https://support.microsoft.com/help/5009714", product_ids: [ "74", "75", ], url: "https://support.microsoft.com/help/5009714", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Monthly Rollup:https://support.microsoft.com/help/5009722", product_ids: [ "56", "57", ], url: "https://support.microsoft.com/help/5009722", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.7.3905.0:Security Only:https://support.microsoft.com/help/5009714", product_ids: [ "56", "57", ], url: "https://support.microsoft.com/help/5009714", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "76", "77", "80", "81", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Security Only:https://support.microsoft.com/help/5009713", product_ids: [ "76", "77", "80", "81", ], url: "https://support.microsoft.com/help/5009713", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Monthly Rollup:https://support.microsoft.com/help/5009720", product_ids: [ "78", "79", ], url: "https://support.microsoft.com/help/5009720", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Security Only:https://support.microsoft.com/help/5009712", product_ids: [ "78", "79", ], url: "https://support.microsoft.com/help/5009712", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Monthly Rollup:https://support.microsoft.com/help/5009719", product_ids: [ "71", "72", "73", ], url: "https://support.microsoft.com/help/5009719", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "2.0.50727.8955:Security Only:https://support.microsoft.com/help/5009711", product_ids: [ "71", "72", "73", ], url: "https://support.microsoft.com/help/5009711", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Monthly Rollup:https://support.microsoft.com/help/5009719", product_ids: [ "58", "59", "67", "68", ], url: "https://support.microsoft.com/help/5009719", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Security Only:https://support.microsoft.com/help/5009711", product_ids: [ "58", "59", "67", "68", ], url: "https://support.microsoft.com/help/5009711", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "60", "61", "66", "69", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Security Only:https://support.microsoft.com/help/5009713", product_ids: [ "60", "61", "66", "69", ], url: "https://support.microsoft.com/help/5009713", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Monthly Rollup:https://support.microsoft.com/help/5009721", product_ids: [ "62", ], url: "https://support.microsoft.com/help/5009721", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Monthly Rollup:https://support.microsoft.com/help/5009722", product_ids: [ "63", "64", ], url: "https://support.microsoft.com/help/5009722", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Security Only:https://support.microsoft.com/help/5009714", product_ids: [ "63", "64", ], url: "https://support.microsoft.com/help/5009714", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Monthly Rollup:https://support.microsoft.com/help/5009720", product_ids: [ "65", "70", ], url: "https://support.microsoft.com/help/5009720", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.0.30319.36720:Security Only:https://support.microsoft.com/help/5009712", product_ids: [ "65", "70", ], url: "https://support.microsoft.com/help/5009712", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5008882", product_ids: [ "27", "28", ], url: "https://support.microsoft.com/help/5008882", }, { category: "vendor_fix", date: "2022-01-11T08:00:00.000Z", details: "4.8.4465.0:Security Update:https://support.microsoft.com/help/5008880", product_ids: [ "29", ], url: "https://support.microsoft.com/help/5008880", }, ], scores: [ { cvss_v3: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 7.5, baseSeverity: "HIGH", confidentialityImpact: "NONE", environmentalsScore: 0, exploitCodeMaturity: "UNPROVEN", integrityImpact: "NONE", privilegesRequired: "NONE", remediationLevel: "OFFICIAL_FIX", reportConfidence: "CONFIRMED", scope: "UNCHANGED", temporalScore: 6.5, userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/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", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "80", "81", ], }, ], threats: [ { category: "impact", details: "Denial of Service", }, { category: "exploit_status", details: "Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely", }, ], title: ".NET Framework Denial of Service Vulnerability", }, ], }
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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.