How severe is CVE-2025-46404?

CVE-2025-46404 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-46404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46404?

CVE-2025-46404 affects Entrouvert Lasso. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-46404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-46404 have an EU (EUVD) identifier?

Yes. CVE-2025-46404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37770.

When was CVE-2025-46404 published?

CVE-2025-46404 was published on 2025-11-05 and last updated on 2026-06-17.

CVE-2025-46404

CVE-2025-46404 is a high-severity vulnerability in Entrouvert Lasso with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37770
Weakness: CWE-476
Affected product: Entrouvert Lasso
Published: 2025-11-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-46404?: CVE-2025-46404 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-46404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46404?: CVE-2025-46404 affects Entrouvert Lasso. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-46404 have an EU (EUVD) identifier?: Yes. CVE-2025-46404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37770.
When was CVE-2025-46404 published?: CVE-2025-46404 was published on 2025-11-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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