CVE-2025-55315
Full vulnerability record from the local CVENow database.
Description
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.
Severity
CRITICAL
CVSS score
9.9
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2025-10-14 17:15:44.960000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
"id": "CVE-2025-55315",
"sourceIdentifier": "[email protected]",
"published": "2025-10-14T17:15:44.960",
"lastModified": "2026-10-18T21:10:00.120",
"vulnStatus": "Modified",
"cveTags": [],
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"value": "Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network."
},
{
"lang": "es",
"value": "Interpretación inconsistente de solicitudes HTTP ('contrabando de solicitudes/respuestas HTTP') en ASP.NET Core permite a un atacante autorizado eludir una característica de seguridad a través de una red."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
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"product": "ASP.NET Core 2.3",
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},
{
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"lessThan": "17.10.20",
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{
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"metrics": {
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"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW"
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"id": "CVE-2025-55315",
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"weaknesses": [
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"source": "[email protected]",
"type": "Secondary",
"description": [
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"value": "CWE-444"
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"references": [
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"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smuggling-and-cve-2025-55315/",
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