Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2025-55315

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/10/2025
Last modified:
28/10/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 9.90 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): Low

Base Score 3.x
9.90
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* 2.3.0 (including) 2.3.6 (excluding)
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* 8.0.0 (including) 8.0.21 (excluding)
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* 9.0.0 (including) 9.0.10 (excluding)
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* 17.10.0 (including) 17.10.20 (excluding)
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* 17.12.10 (including) 17.12.13 (excluding)
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* 17.14.0 (including) 17.14.17 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools