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

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CVE-2025-46826

Severity CVSS v4.0:
LOW
Type:
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Publication date:
07/05/2025
Last modified:
08/05/2025

Description

insa-auth is an authentication server for INSA Rouen. A minor issue allowed third-party websites to access the server's secondary authentication bridge, potentially revealing basic student information (name and number). However, the issue posed minimal risk, was never exploited, and had limited impact. A fix was implemented promptly on May 3, 2025.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:A/V:D/RE:L CVSS v4.0 Severity and Metrics:

Base Score: 1.30 LOW
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:A/V:D/RE:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Passsive
Confidentiality (VC): Low
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Safety (S): Negligible
Automatable (AU): Yes
Recovery (R): Automatic
Value Density (V): Diffuse
Vulnerability Response Effort (RE): Low
Exploit Maturity (E): Unreported

Base Score 4.0
1.30
Severity 4.0
LOW

References to Advisories, Solutions, and Tools