CVE-2025-55315
🗓️ 14 Oct 2025 17:00:10Reported by microsoftType 
cve🔗 web.nvd.nist.gov📰️ 26 Media mentions👁 628 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 192 |
|---|---|---|---|---|
 | Exploit for HTTP Request Smuggling in Microsoft | 24 Oct 202514:19 | – | githubexploit |
| Exploit for CVE-2025-55315 | 16 Oct 202510:04 | – | githubexploit |
 | Amazon Linux 2023 : aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 (ALAS2023-2025-1230) | 23 Oct 202500:00 | – | nessus |
| Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2025-1231) | 23 Oct 202500:00 | – | nessus |
| AlmaLinux 8 : .NET 8.0 (ALSA-2025:18148) | 21 Oct 202500:00 | – | nessus |
| AlmaLinux 9 : .NET 8.0 (ALSA-2025:18149) | 21 Oct 202500:00 | – | nessus |
| AlmaLinux 8 : .NET 9.0 (ALSA-2025:18150) | 3 Nov 202500:00 | – | nessus |
| AlmaLinux 9 : .NET 9.0 (ALSA-2025:18151) | 3 Nov 202500:00 | – | nessus |
| AlmaLinux 10 : .NET 8.0 (ALSA-2025:18152) | 3 Nov 202500:00 | – | nessus |
| AlmaLinux 10 : .NET 9.0 (ALSA-2025:18153) | 3 Nov 202500:00 | – | nessus |
10
Node
OR
[
{
"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"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| Transfer-Encoding: chUnKEd | request body | / | HTTP Request Smuggling via malformed chunked encoding (LF-only line endings) and 'chUnKEd' header bypass. | CWE-444 |
| X-Bypass: true | nested | /admin | Authentication bypass to restricted /admin endpoint via request smuggling. | CWE-444 |
| Host: 169.254.169.254 | nested | http://169.254.169.254/latest/meta-data/iam/security-credentials/ | SSRF to internal AWS metadata service via request smuggling. | CWE-444 |
10
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18 Oct 2026 21:10Current
8High risk
Vulners AI Score8
CVSS 3.19.9
EPSS0.66526
SSVC