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CVE-2025-55315

🗓️ 14 Oct 2025 17:00:10Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 26 Media mentions👁 511 Views🌐 WEB

CVE-2025-55315 is an ASP.NET security feature bypass vulnerability.

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
CNA
Node
microsoftasp.net_coreRange2.3.02.3.6
OR
microsoftasp.net_coreRange8.0.08.0.21
OR
microsoftasp.net_coreRange9.0.09.0.10
OR
microsoftvisual_studio_2022Range17.10.017.10.20
OR
microsoftvisual_studio_2022Range17.12.1017.12.13
OR
microsoftvisual_studio_2022Range17.14.017.14.17
[
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 2.3",
    "versions": [
      {
        "version": "2.3",
        "lessThan": "2.3.6",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 8.0",
    "versions": [
      {
        "version": "8.0",
        "lessThan": "8.0.21",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 9.0",
    "versions": [
      {
        "version": "9.0",
        "lessThan": "9.0.10",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.10",
    "versions": [
      {
        "version": "17.10.0",
        "lessThan": "17.10.20",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.12",
    "versions": [
      {
        "version": "17.12.0",
        "lessThan": "17.12.13",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.14",
    "versions": [
      {
        "version": "17.14.0",
        "lessThan": "17.14.17",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
GET /admin HTTP/1.1nested/adminAuth bypass via HTTP request smuggling to protected /admin endpointCWE-444
1;ext\nx\nrequest body/HTTP request smuggling payload targeting root path using LF-only chunked encoding with WAF bypassCWE-444
Transfer-Encoding: chUnKEdrequest body/HTTP request smuggling payload targeting root path using LF-only chunked encoding with WAF bypassCWE-444

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17 Jun 2026 09:41Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.9
EPSS0.66258
SSVC
511