NULL pointer dereference in Entr'ouvert Lasso
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Entr'ouvert Lasso — versions 2.5.1
- Entrouvert Lasso — versions 2.5.1
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2025-2194 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-46404?
- CVE-2025-46404 is a high-severity vulnerability in Entr'ouvert Lasso, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-11-05.
- How severe is CVE-2025-46404?
- High severity. CVSS v3 base score is 7.5 out of 10.