CVE-2025-55315 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

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Advisories

Source	ID	Title
Github GHSA	GHSA-5rrx-jjjq-q2r5	Microsoft Security Advisory CVE-2025-55315: .NET Security Feature Bypass Vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315

History

Tue, 14 Oct 2025 17:15:00 +0000

Type	Values Removed	Values Added
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.
Title		ASP.NET Security Feature Bypass Vulnerability
Weaknesses		CWE-444
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315
Metrics		cvssV3_1 `{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-10-14T17:00:10.371Z

Updated: 2025-10-15T03:55:38.076Z

Reserved: 2025-08-12T20:19:59.422Z

Link: CVE-2025-55315

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2025-10-14T17:15:44.960

Modified: 2025-10-14T19:35:56.913

Link: CVE-2025-55315

Redhat

No data.

OpenCVE Enrichment

No data.

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