CVE-2025-55248 (GCVE-0-2025-55248)
Vulnerability from cvelistv5
Published
2025-10-14 17:00
Modified
2026-02-22 17:25
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CWE
  • CWE-326 - Inadequate Encryption Strength
Summary
Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.
References
Impacted products
Vendor Product Version
Microsoft .NET 8.0 Version: 8.0.0   < 8.0.21
 Create a notification for this product.
   Microsoft .NET 9.0 Version: 9.0.0   < 9.0.10
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 2.0 Service Pack 2 Version: 2.0.0   < 2.0.50727.8981
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.0 Service Pack 2 Version: 3.0.0   < 2.0.50727.8981
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 Version: 3.5.0   < 2.0.50727.8981
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Version: 4.7.0   < 4.7.04137.03
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.8 Version: 4.8.0   < 4.8.04798.02
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Version: 4.8.1   < 4.8.1.09320.02
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 3.5.1 Version: 3.5.0   < 2.0.50727.8981
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.6.2 Version: 4.7.0   < 4.7.04137.03
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Version: 4.7.0   < 4.7.04137.03
 Create a notification for this product.
   Microsoft Microsoft .NET Framework 4.8 Version: 4.8.0   < 4.8.04798.02
 Create a notification for this product.
   Microsoft Microsoft Visual Studio 2022 version 17.10 Version: 17.10.0   < 17.10.20
 Create a notification for this product.
   Microsoft Microsoft Visual Studio 2022 version 17.12 Version: 17.12.0   < 17.12.13
 Create a notification for this product.
   Microsoft Microsoft Visual Studio 2022 version 17.14 Version: 17.14.0   < 17.14.17
 Create a notification for this product.
Show details on NVD website

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installation)\", \"Windows Server 2012 R2\", \"Windows Server 2012 R2 (Server Core installation)\", \"Windows Server 2016\", \"Windows Server 2016 (Server Core installation)\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft Visual Studio 2022 version 17.10\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.10.0\", \"lessThan\": \"17.10.20\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft Visual Studio 2022 version 17.12\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.12.0\", \"lessThan\": \"17.12.13\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft Visual Studio 2022 version 17.14\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.14.0\", \"lessThan\": \"17.14.17\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2025-10-14T14:00:00.000Z\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55248\", \"name\": \".NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-326\", \"description\": \"CWE-326: Inadequate Encryption Strength\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"8.0.21\", \"versionStartIncluding\": \"8.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"9.0.10\", \"versionStartIncluding\": \"9.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": 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\"versionEndExcluding\": \"4.7.04137.03\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.8.1.09320.02\", \"versionStartIncluding\": \"4.8.1\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.7.04137.03\", \"versionStartIncluding\": \"4.7.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8981\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8981\", \"versionStartIncluding\": \"3.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8981\", \"versionStartIncluding\": \"3.5.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.0.50727.8981\", \"versionStartIncluding\": \"3.5.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-02-22T17:25:10.409Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-55248\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-22T17:25:10.409Z\", \"dateReserved\": \"2025-08-11T20:26:16.634Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2025-10-14T17:00:59.059Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.