CVE-2025-46404
Entr'ouvert Lasso Denial of Service Vulnerability
Description
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.
INFO
Published Date :
Nov. 5, 2025, 3:15 p.m.
Last Modified :
Nov. 7, 2025, 6:12 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Entrouvert Lasso to the latest version.
- Apply security patches for Lasso 2.5.1.
- Validate SAML responses for malformed data.
- Monitor system for DoS symptoms.
Public PoC/Exploit Available at Github
CVE-2025-46404 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-46404.
| URL | Resource |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194 | Third Party Advisory Exploit |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194 | Third Party Advisory Exploit |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-46404 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-46404
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-46404 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-46404 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 07, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:entrouvert:lasso:2.5.1:*:*:*:*:*:*:* Added Reference Type Talos: https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194 Types: Exploit, Third Party Advisory Added Reference Type CVE: https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194 Types: Exploit, Third Party Advisory -
CVE Modified by [email protected]
Nov. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 05, 2025
Action Type Old Value New Value Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194 -
New CVE Received by [email protected]
Nov. 05, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Added CWE CWE-476 Added Reference https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194