cve-2023-21722
Vulnerability from cvelistv5
Published
2023-02-14 19:33
Modified
2025-01-01 00:41
Severity ?
5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722Patch, Vendor Advisory
Impacted products
Vendor Product Version
Microsoft Microsoft .NET Framework 3.5 AND 4.8 Version: 4.8.0   < 10.0.04614.06
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Version: 4.7.0   < 10.0.04038.03
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Version: 4.7.0   < 4.7.04614.08
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Version: 4.8.1   < 10.0.09139.02
Microsoft Microsoft .NET Framework 4.6.2 Version: 4.7.0   < 4.7.04038.06
Microsoft Microsoft .NET Framework 3.5 and 4.6.2 Version: 4.7.0   < 10.0.10240.19747
Microsoft Microsoft .NET Framework 2.0 Service Pack 2 Version: 2.0.0   < 2.0.50727.8966
Microsoft Microsoft .NET Framework 3.0 Service Pack 2 Version: 3.0.0   < 2.0.50727.8966
Microsoft Microsoft .NET Framework 3.5 Version: 3.5.0   < 3.5.50727.8966
Microsoft Microsoft .NET Framework 3.5.1 Version: 3.5.0   < 3.5.50727.8966
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      "descriptions": "[{\"lang\": \"en\", \"value\": \".NET Framework Denial of Service Vulnerability\"}]",
      "id": "CVE-2023-21722",
      "lastModified": "2024-11-21T07:43:30.603",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"secure@microsoft.com\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H\", \"baseScore\": 5.0, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.3, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H\", \"baseScore\": 5.0, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.3, \"impactScore\": 3.6}]}",
      "published": "2023-02-14T20:15:14.773",
      "references": "[{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "secure@microsoft.com",
      "vulnStatus": "Modified",
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    },
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\"Windows 10 Version 22H2 for ARM64-based Systems\", \"Windows 10 Version 22H2 for 32-bit Systems\", \"Windows 10 Version 22H2 for x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 4.6.2\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.7.0\", \"lessThan\": \"4.7.04038.06\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows Server 2008 for 32-bit Systems Service Pack 2\", \"Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)\", \"Windows Server 2008 for x64-based Systems Service Pack 2\", \"Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 3.5 and 4.6.2\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.7.0\", \"lessThan\": \"10.0.10240.19747\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows 10 for 32-bit Systems\", \"Windows 10 for x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 2.0 Service Pack 2\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.0.0\", \"lessThan\": \"2.0.50727.8966\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows Server 2008 for 32-bit Systems Service Pack 2\", \"Windows Server 2008 for x64-based Systems Service Pack 2\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 3.0 Service Pack 2\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.0.0\", \"lessThan\": \"2.0.50727.8966\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows Server 2008 for 32-bit Systems Service Pack 2\", \"Windows Server 2008 for x64-based Systems Service Pack 2\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 3.5\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.5.0\", \"lessThan\": \"3.5.50727.8966\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows Server 2012\", \"Windows Server 2012 (Server Core installation)\", \"Windows Server 2012 R2\", \"Windows Server 2012 R2 (Server Core installation)\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft .NET Framework 3.5.1\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.5.0\", \"lessThan\": \"3.5.50727.8966\", \"versionType\": \"custom\"}], \"platforms\": [\"Windows Server 2008 R2 for x64-based Systems Service Pack 1\", \"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)\"]}], \"datePublic\": \"2023-02-14T08:00:00+00:00\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722\", \"name\": \".NET Framework Denial of Service Vulnerability\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \".NET Framework Denial of Service Vulnerability\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-59\", \"description\": \"CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.8.4614.08\", \"versionStartIncluding\": \"4.8.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.04614.06\", \"versionStartIncluding\": \"4.8.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.04038.03\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.7.04614.08\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.09139.02\", \"versionStartIncluding\": \"4.8.1\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.7.04038.06\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.10240.19747\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8966\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8966\", \"versionStartIncluding\": \"3.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"3.5.50727.8966\", \"versionStartIncluding\": \"3.5.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"3.5.50727.8966\", \"versionStartIncluding\": \"3.5.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2025-01-01T00:41:19.847Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-21722\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-01T00:41:19.847Z\", \"dateReserved\": \"2022-12-13T18:08:03.493Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2023-02-14T19:33:47.590Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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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.