CVE-2025-46404

A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194	Exploit Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:entrouvert:lasso:2.5.1:*:*:*:*:*:*:*

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de denegación de servicio existe en la funcionalidad lasso_provider_verify_saml_signature de Entr'ouvert Lasso 2.5.1. Una respuesta SAML especialmente diseñada puede conducir a una denegación de servicio. Un atacante puede enviar una respuesta SAML malformada para activar esta vulnerabilidad.

Information

Published : 2025-11-05 15:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-46404

Mitre link : CVE-2025-46404

CVE.ORG link : CVE-2025-46404

JSON object : View

Products Affected

entrouvert

lasso

CWE

CWE-476

NULL Pointer Dereference

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