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CVE-2025-55315

🗓️ 14 Oct 2025 17:00:10Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 26 Media mentions👁 619 Views🌐 WEB

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

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
CNA
Node
OR
microsoftasp.net_coreRange2.3.0–2.3.6
microsoftasp.net_coreRange8.0.0–8.0.21
microsoftasp.net_coreRange9.0.0–9.0.10
microsoftvisual_studio_2022Range17.10.0–17.10.20
microsoftvisual_studio_2022Range17.12.10–17.12.13
microsoftvisual_studio_2022Range17.14.0–17.14.17
[
  {
    "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
Content-Lengthnested/adminAuth bypass via HTTP request smuggling to /admin using a nested request within a chunked transfer encoded payload.CWE-444
Transfer-Encodingnested/adminAuth bypass via HTTP request smuggling to /admin using a nested request within a chunked transfer encoded payload.CWE-444
X-Bypassnested/adminAuth bypass via HTTP request smuggling to /admin using a nested request within a chunked transfer encoded payload.CWE-444
Content-Typenested/SSRF attempt through a nested smuggled request targeting internal resources (e.g., metadata services).CWE-444
Transfer-Encodingnested/SSRF attempt through a nested smuggled request targeting internal resources (e.g., metadata services).CWE-444

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17 Jun 2026 09:41Current
7.7High risk
Vulners AI Score7.7
CVSS 3.19.9
EPSS0.65943
SSVC
619